hulteen et argued december decided may petitioner companies collectively long based pension calculations seniority system relied years service minus uncredited leave time giving less retirement credit pregnancy absences medical leave generally response ruling general elec gilbert differential treatment pregnancy leave discrimination prohibited title vii civil rights act congress added pregnancy discrimination act pda title vii make clear discriminatory treat conditions less favorably medical conditions newport news shipbuilding dry dock eeoc pda effective date replaced old plan anticipated disability plan provided service credit pregnancy leave disabilities prospectively make retroactive adjustments personnel policies individual respondents therefore received less service credit pregnancy leave general disability leave resulting reduction total employment term consequently smaller pensions along union also respondent filed equal employment opportunity commission charges alleging discrimination based sex pregnancy violation title vii eeoc issued respondent collectively hulteen determination letter finding reasonable cause believe discriminated letter hulteen filed suit district held bound ninth circuit precedent finding title vii violation retirement eligibility calculations incorporated accrual rules differentiated based pregnancy circuit affirmed held employer necessarily violate pda pays pension benefits calculated part accrual rule applied gave less retirement credit pregnancy medical leave generally pension payments accord bona fide seniority system terms insulated challenge title vii pp benefit calculation rule protected provides shall unlawful employment practice employer apply different standards compensation pursuant bona fide seniority system provided differences result intention discriminate sex teamsters held vii seniority system disproportionately advantaged white minority employees nevertheless exemplified bona fide system without discriminatory terms discrimination resulted employer hiring practices job assignments system must also viewed bona fide system discriminatory terms controls result teamsters held gilbert accrual rule limiting seniority credit time taken pregnancy leave unlawfully discriminate basis sex matter law time exclusion pregnancy plan providing general coverage discrimination way conclude protect system read pda applying retroactively recharacterize acts illegal done serious possibility generally presumption retroactivity unless congress affirmatively considered potential unfairness retroactive application determined acceptable price pay countervailing benefits landgraf usi film products clear intent section details unlawful employment practice occurs respect seniority system adopted intentionally discriminatory purpose application gilbert unquestionably held feature seniority system issue discriminatory adopted let alone intentionally argued chosen give credit pregnancy leave hulteen retired failure facially discriminatory time choice rely favorable statute turned every past differentiation contemporary discrimination never apply finally bazemore friday vii compensation plan giving black employees less pay whites held violate title vii effective date inapplicable bazemore plan involve seniority system subject employer failed eliminate discriminatory practice title vii became law pp recent amendment making unlawful employment practice individual affected application discriminatory compensation decision practice including time benefits paid resulting decision stat help hulteen decision award hulteen service credit pregnancy leave discriminatory consequence hulteen affected application discriminatory compensation decision practice pp reversed souter delivered opinion roberts stevens scalia kennedy thomas alito joined stevens filed concurring opinion ginsburg filed dissenting opinion breyer joined corporation petitioner noreen hulteen et al writ certiorari appeals ninth circuit may justice souter delivered opinion question whether employer necessarily violates pregnancy discrimination act pda pays pension benefits calculated part accrual rule applied prior pda gave less retirement credit pregnancy leave medical leave generally hold necessary violation benefit calculation rule case part bona fide seniority system title vii civil rights act insulates challenge since corporation american telephone telegraph company bell system operating companies including pacific telephone telegraph company hereinafter collectively provided pensions benefits based seniority system relies upon employee term employment understood period service company minus uncredited leave early employees disability leave got full service credit entire periods absence took personal leaves absence received maximum service credit days leave pregnancy treated personal disability altered practice adopting maternity payment plan mpp entitling pregnant employees disability benefits service credit six weeks leave absence went beyond six weeks however treated personal leave benefits credit whereas employees disability unrelated pregnancy continued receive full service credit duration absence differential treatment pregnancy leave plan mpp lawful general elec gilbert concluded disability benefit plan excluding disabilities related pregnancy discrimination within meaning title vii civil rights act stat amended et seq congress amended title vii passing pda stat superseded gilbert make clear discriminatory treat conditions less favorably medical conditions newport news shipbuilding dry dock eeoc april effective date pda adopted anticipated disability plan replaced mpp provided service credit pregnancy leave basis leave taken temporary disabilities however make retroactive adjustments service credit calculations women subject personnel policies four women named respondents case received less service credit pregnancy leave accrued leave disability seven months less noreen hulteen six months eleanora collet two elizabeth snyder linda porter respondents hulteen collet snyder retired respondent porter yet total term employment decreased due pregnancy leave entitled greater pension benefit eventually individual respondents respondent communications workers america cwa representative majority nonmanagement employees filed charges discrimination equal employment opportunity commission eeoc alleging discrimination basis sex pregnancy violation title vii eeoc issued letter determination finding reasonable cause believe discriminated respondent hulteen class female employees whose adjusted commencement service date used determine eligibility service disability pension amount pension benefits eligibility certain benefits programs including early retirement offerings app eeoc issued notice right sue named respondent cwa collectively hulteen hulteen filed suit district northern district california dueling motions summary judgment district held bound prior ninth circuit decision pallas pacific bell found title vii violation retirement eligibility calculations incorporated accrual rules differentiated basis pregnancy see app pet cert circuit en banc affirmed held pallas conclusion calculation service credit excluding time spent pregnancy leave violates title vii correct ninth circuit decision directly conflicts holdings sixth seventh circuits reliance differential accrual rule determine pension benefits constitute current violation title vii see ameritech benefit plan comm communication workers finding actionable title vii violation given existence bona fide seniority system leffman sprint characterizing claim challenging continuing effects past discrimination rather alleging current title vii violation granted certiorari order resolve split reverse judgment ninth circuit ii title vii makes unlawful employment practice employer discriminate individual respect compensation terms conditions privileges employment individual sex generally claim title vii must filed within one hundred eighty days alleged unlawful employment practice occurred case hulteen identified challenged practice applying terms seniority system calculate pay pension benefits women took pregnancy leaves april says claim timely old service credit differential pregnancy leave carried forward system calculations produce effect amount benefit payments began question payment pension benefits case function seniority system given fact calculating benefits pension plan depends part employee term employment said system scheme alone tandem criteria allots employees ever improving employment rights benefits relative lengths pertinent employment increase california brewers assn bryant omitted hulteen also undoubtedly correct personnel policies affecting calculation employee start date considered ancillary rules elements system necessary operate rules define passages time towards accrual seniority contrary hulteen position establishing continuity seniority system whose results depend part obsolete rules entailing disadvantage employees resolve case although adopting service credit rule unfavorable pregnancy leave violate title vii today seniority system necessarily violate statute gives current effect rules operated pda eniority systems afforded special treatment title vii trans world airlines hardison reflecting congress understanding stability valuable right hence notwithstanding provision subchapter shall unlawful employment practice employer apply different standards compensation different terms conditions privileges employment pursuant bona fide seniority system provided differences result intention discriminate race color religion sex national origin benefit differentials produced bona fide pension plan permitted unless result intention discriminate teamsters advantages seniority system flowed disproportionately white minority employees employer prior discrimination job assignments recognized disproportionate distribution advantages real sense operate freeze status quo prior discriminatory employment practices ut literal terms legislative history title vii demonstrate congress considered effect many seniority systems extended measure immunity internal quotation marks omitted unmistakable purpose make clear routine application bona fide seniority system unlawful title vii seniority system teamsters exemplified bona fide system without discriminatory terms discrimination occurred executive action hiring employees assigning jobs conclude system genesis discrimination maintained free illegal purpose system must also viewed bona fide system discriminatory terms consequence subsection controls result teamsters true case rule differential treatment element seniority system taint system terms subsection held gilbert accrual rule limiting seniority credit time taken pregnancy leave unlawfully discriminate basis sex matter law time exclusion pregnancy plan providing general coverage discrimination although pda made discriminatory continue accrual policies old rule amended rule effective date act april new one treating pregnancy temporary disabilities way remains part seniority system today account litigation legislation evolution system terms answer hulteen argument teamsters supports position correctly points seniority system perpetuates effects discrimination bona fide intent discriminate entered adoption characterize seniority system intentionally discriminatory theory accrual rule pregnancy leave facially discriminatory start claims support automobile workers johnson controls said explicit facial discrimination depend employer discriminates rather explicit terms discrimination facial discrimination intentional discrimination even based underlying malevolence hulteen accordingly claims superseded differential affecting current benefits remains discriminatory precisely way pda prohibits brief respondents automobile workers point policy case prohibiting women working jobs lead exposure unless show incapable child bearing put place pda became law terms facially discriminatory case however intent adopted pregnancy leave rule pda give differential treatment matter law gilbert held discrimination differential accrual rule therefore permissible differentiation given law time nothing seniority system odds subsection bona fide requirement consequence subsection applicable teamsters calculations credited service determine pensions results permissibly different standard subsection way conclude subsection support application system read pda applying retroactively recharacterize acts illegal done contra serious possibility said ecause accords widely held intuitions statutes ordinarily operate presumption retroactivity generally coincide legislative public expectations requiring clear intent assures congress affirmatively considered potential unfairness retroactive application determined acceptable price pay countervailing benefits landgraf usi film products clear intent indeed indication congress retroactive application mind evidence points way congress provided pda take effect date enactment except application certain benefit programs effectiveness held back days act stat house report adverted benefit schemes gilbert decision permits employers exclude coverage employee benefit plans bill provides transition period days allow employees sic comply explicit provisions amendment committee intention provide orderly equitable transition least disruption employers employees consistent purposes bill language prospective intent retrospective revision hulteen argues nonetheless challenge current payment pension benefits title vii believing mistakenly subsection affects validity arrangement predating pda facially discriminatory instituted today brief respondents section provides unlawful employment practice occurs respect seniority system adopted intentionally discriminatory purpose violation subchapter whether discriminatory purpose apparent face seniority provision seniority system adopted individual becomes subject seniority system person aggrieved injured application seniority system provision system text makes clear subsection determines moments seniority system violates title vii system adopted intentionally discriminatory purpose violation subchapter discussed unquestionably held feature seniority system issue discriminatory adopted let alone intentionally violation subchapter leaves without application equally unsound hulteen argue retired chosen give credit pregnancy leave making failure facially discriminatory choice rely favorable statute turned every past differentiation contemporary discrimination subsection never apply hulteen remaining argument time case submitted us decision bazemore friday per curiam side bazemore black employees north carolina agricultural extension service received less pay comparable whites differential compensation plan extending back vii segregation brought suit claiming pay disparities persisted concluded pattern practice constituted violation title vii fact statute yet become effective became violation upon title vii effective date extent employer continued engage act practice liable statute bazemore nothing say begin involve seniority system subject subsection rather employer bazemore racially based pay structure black employees paid less white employees title vii became law employer failed eliminate discriminatory practice even though new statute turned legally permissible something unlawful bazemore point pda continued apply unfavorable credit differential pregnancy leave simply begun pda system contrast provides future benefits based past completed events entirely lawful time occurred iii accepted supplemental briefing argument possible effect case recent amendment title vii adopted response ledbetter goodyear tire rubber dealing specifically discrimination compensation purposes section unlawful employment practice occurs respect discrimination compensation violation title discriminatory compensation decision practice adopted individual becomes subject discriminatory compensation decision practice individual affected application discriminatory compensation decision practice including time wages benefits compensation paid resulting whole part decision practice lilly ledbetter fair pay act pub stat hulteen argues payment pension benefits issue case marks moment affected application discriminatory compensation decision practice reads statute providing decision practice may applied disadvantage answer claim essentially answer hulteen argument helps supra reasons already discussed decision award hulteen service credit pregnancy leave discriminatory consequence hulteen affected application discriminatory compensation decision practice stat iv bona fide seniority systems allow among things predictable financial consequences employer pays bill employee gets benefit cf central laborers pension fund heinz noting central feature employee retirement income security act et object protecting employees justified expectations receiving benefits employers promise demonstrates congress recognized salience reliance interests based upon resulting intention discriminate gave protection seniority system run bona fide judgment appeals ninth circuit reversed ordered corporation petitioner noreen hulteen et al writ certiorari appeals ninth circuit may justice stevens concurring today appraisal decision general elec gilbert expressed years ago dissent therefore agree much justice ginsburg say case nevertheless must accept gilbert interpretation title vii governing law congress enacted pregnancy discrimination act case involves rules force prior act join opinion corporation petitioner noreen hulteen et al writ certiorari appeals ninth circuit may justice ginsburg justice breyer joins dissenting general elec gilbert held classification harmful women based pregnancy qualify discrimination sex prohibited title vii civil rights act exclusion pregnancy employer disability benefits plan ruled discrimination see also describing plan facially nondiscriminatory without discriminatory effect dissent justice stevens wondered come conclusion capacity become pregnant primarily differentiates female male prior gilbert federal courts appeals presented question determined pregnancy discrimination violated title guidelines issued equal employment opportunity commission eeoc commission declared disadvantageous classifications employees based conditions prima facie violation title vii fed reg terms closely resembling eeoc current guideline see cfr commission counseled written unwritten employment policies practices involving accrual seniority benefits privileges shall applied disability due pregnancy childbirth terms conditions applied temporary disabilities fed reg history women paid labor force underpinned corroborated views lower courts eeoc generations preceding lingering long passage title vii history demonstrates societal attitudes pregnancy motherhood severely impeded women employment opportunities see molnar millennium yet dawned history attitudes toward pregnant workers america gender kamerman kahn kingston maternity policies working women congress swiftly reacted gilbert decision less two years ruling congress passed pregnancy discrimination act pda overturn gilbert make plain legislators clear understanding discrimination based pregnancy discrimination act amended title vii require women affected pregnancy treated purposes including receipt benefits fringe benefit programs persons affected similar ability inability work pda require redress past discrimination oblige employers make women whole compensation denied prior act placed pregnancy leave often still ready willing able work secure right return jobs pda protect women april act became fully effective repetition continuation disadvantageous treatment congress interred gilbert years ago today allows wrong decision still hold sway plaintiffs respondents action receive rest lives lower pension benefits colleagues worked longer experience discrimination simply adverse action subjected rather harmed today refused fully heed pda core command hereafter purposes disadvantageous treatment basis pregnancy childbirth related medical conditions must cease emphasis added hold committed current violation title vii totally discontinue reliance upon pension calculation premised notion classifications display gender bias enacted addition section defining terms used title vii pda provides terms sex basis sex include limited basis pregnancy childbirth related medical conditions women affected pregnancy childbirth related medical conditions shall treated purposes including receipt benefits fringe benefit programs persons affected similar ability inability work text act acknowledged unambiguously expressed congress disapproval holding reasoning gilbert decision newport news shipbuilding dry dock eeoc proponents pda observed repeatedly emphasized erroneously interpreted congressional intent amending legislation necessary reestablish principles title vii law understood prior gilbert decision see also california fed sav loan assn guerra explaining first clause pda reflects congress disapproval reasoning gilbert second clause illustrate discrimination pregnancy remedied cf newport news rehnquist dissenting criticizing concluding pda renders gilbert obsolete today case presents question time comprehends pda even effective date act lower pension benefits perpetually paid women whose pregnancy leaves predated pda women reasons disadvantageous treatment remains gilbert declared facially nondiscriminatory without discriminatory effect see ante another way read pda one better attuned congress unambiguou disapproval holding reasoning gilbert newport news reading act calls immediate end pretense classification basis pregnancy facially nondiscriminatory pda reach back redress discrimination women encountered congress overruled gilbert act instructs employers forthwith cease desist pda effective date classifications treating pregnancy disadvantageously must recognized purposes including pension payments discriminatory face impact comprehended pda requires pay noreen hulteen others similarly situated pension benefits untainted discrimination ii rejection plaintiffs claims pension benefits undiminished discrimination sex centers title vii construed teamsters see ante section permits employers apply different standards compensation pursuant bona fide seniority system congress enacted teamsters explained exten measure immunity seniority systems even operate status quo prior discriminatory employment practices quoting griggs duke power teamsters involved seniority system attacked title vii perpetuating discrimination minority group members ranked low seniority list vii locked job category question seniority system reasoned genesis discrimination contained discriminatory terms applied equally races ethnic groups therefore concluded sheltered system despite adverse impact minority group members recently hired allowed transfer desirable jobs see case differs teamsters seniority system infected overt differential cf ante ule differential treatment element seniority system one scarcely maintain scheme neutral face intent discriminating women effect cf teamsters surely term fairly described equally applicable prescription regarding pregnancy leave gain immunity astonishing declaration gilbert xclusion pregnancy plan providing general coverage decreed discrimination see ante gilbert disadvantageous treatment pregnancy leave taint system terms pda ordinary instance legislative revision congress response construction statutory text dissent today decision congress made plain view gilbert simply wrong character classification treats leave necessitated pregnancy childbirth disadvantageously disregarding opinions courts see supra agency superintends enforcement title vii see supra fundamentally root cause discrimination women paid labor force erred egregiously congress provide remedy discrimination already experienced pda became effective persuaded act text legislative history however congress intended continuing reduction women compensation pension benefits included attributable placement pregnancy leave iii considerations influence dissenting view seeking equal treatment pda effective date plaintiffs present modest claims observes seek service credit pension benefit purposes periods pregnancy leaves named plaintiffs whose claims typical uncounted leave days seven months noreen hulteen six months eleanora collet two elizabeth snyder linda porter ante see also en banc case demands met without disturbing settled expectations workers core concern underlying shelter provides seniority systems see franks bowman transp seniority unlike status seniority conflict economic interests employees furthermore judge rymer explained opinion dissenting ninth circuit initial panel opinion relief plaintiffs request retroactive character plaintiffs request backpay compensation past injury seek pension benefits future equal benefits received others employed length time actionable conduct complain denial equal benefits plaintiffs world appear equal benefits plaintiffs retirement years expose excessive unmanageable cost plaintiffs class large comprises women whose pregnancy leaves predated april whose employment continued long enough pensions vest periods service involved short several weeks months years cost equal treatment spread many years eligible women retire iv certain attitudes pregnancy childbirth throughout human history sustained pervasive often restrictions woman place among paid workers active citizens recognized nevada dept human resources hibbs hibbs rejected challenges eleventh fourteenth amendments family medical leave act stat et applied state employees opinion featured congress recognition istorically denial curtailment women employment opportunities traceable directly pervasive presumption women mothers first workers second prevailing ideology women roles turn justified discrimination women mothers joint hearing subcommittee relations subcommittee labor standards house committee education labor quoted hibbs several decisions opinion hibbs acknowledged exemplified prevailing ideology prime illustrations cited bradwell state wall muller oregon goesaert cleary hoyt florida hibbs opinion contrasted muller goesaert hoyt recent opinions commencing shown increasing awareness traditional classifications confined depressed women opportunities representative jurisprudential change hibbs cited reed reed frontiero richardson craig boren virginia gilbert aberrational simply placed outside title vii disadvantageous treatment pregnancy rooted beliefs allocation family duties hibbs gilbert also advanced strange notion benefits classification excluding women pregnant women women among favored class nonpregnant persons first title vii case heard phillips martin marietta per curiam however rejected similar reasoning issue phillips employer refusal hire mothers children phillips yielded per curiam opinion recognizing title vii applies classifications disadvantageous women see phillips martin marietta brown dissenting denial en banc review mother still woman denied work outright mother woman congress said longer done sprogis air lines refusal employ married women violates title vii cert denied grasping connection gilbert failed make district opinion wetzel liberty mut ins supp wd published deft observation response employer argument disadvantageous maternity leave pregnancy disability income protection policies based sex commented might appear lay mind treading brink precipice absurdity perhaps admonition professor thomas reed powell law students apt think something inextricably related thing think thing legal mind congress put back track amended title vii repudiate gilbert holding reasoning see newport news california supra congress swift strong repudiation gilbert today holds warrant redress plaintiffs case must continue experience impact employer discriminatory short time plan outcome far inevitable least reasonable read pda say effective date act woman pension payments diminished pretense discrimination displays gender bias construe act embrace plaintiffs complaint explicitly overrule gilbert decision generate mischief reasons stated affirm ninth circuit judgment footnotes consent decree modified final judgment mfj entered resolve government antitrust suit american telephone telegraph company mfj resulted american telephone telegraph divestiture local bell system operating companies including pacific telephone telegraph company pt many employees former bell system operating companies became employees new corporation plan reorganization approved district district columbia western elec supp aff sub nom california provided employees carry bell system service regardless organizational unit corporation employed immediately divestiture app respondents case employed pt divestiture bell operating companies women became employees corporation service calculations computed pt accrual rules carried corporation calculation term employment complicated endeavor requiring creation maintenance individual start date employee adjusted based relevant leave policy section title vii provides women affected pregnancy shall treated purposes including receipt benefits fringe benefit programs persons affected similar ability inability work nothing section title shall interpreted permit otherwise hulteen contends light language apply claims discrimination pda agree hulteen reading result odd scenario pregnancy discrimination alone among categories discrimination race color religion claims national origin receive dispensation general application subsection better explanation refers final sentence reads shall unlawful employment practice subchapter employer differentiate upon basis sex determining amount wages compensation paid paid employees employer differentiation authorized provisions section title final sentence subsection referred bennett amendment served reconcile equal pay act stat title vii see county washington gunther rehnquist dissenting general elec gilbert concluded amendment permitted wage discrimination based pregnancy adding language nothing section title shall interpreted permit otherwise pda congress wanted ensure addition replacing gilbert rule discrimination basis pregnancy sex discrimination foreclosed possibility interpretation bennett amendment construed going forward permit wage discrimination based pregnancy gilbert recognized differential treatment still represent intentionally discriminatory treatment pretextual forbidden discriminatory effect result plan produced overall preferential treatment one sex neither theory advanced nashville gas satty reaffirmed holding gilbert title vii require greater economic benefits paid one sex differing roles scheme human existence quoting gilbert supra noted gilbert holding extend permit employer burden female employees way deprive employment opportunities different role satty supra cancellation benefits previously accrued therefore considered facially violative time situation presented although certain circuit courts previously concluded treating pregnancy leave less favorably disability leave constituted sex discrimination title vii gilbert clearly rejected conclusion brennan dissenting see also stevens dissenting gilbert declared meaning scope sex discrimination title vii held previous views contrary wrong matter law judicial construction statute authoritative statement statute meant well decision case giving rise construction rivers roadway express see also therefore avail argue pregnancy leave cap unlawful gilbert pda returned law prior state saying assume application explained supra cf post ginsburg dissenting extent hulteen means claim factual matter accrual rule merely advisory requiring fresh choice apply benefit context points nothing record supporting proposition footnotes opinion gilbert extended title vii reasoning earlier advanced geduldig aiello case upheld equal protection challenge california disability insurance system excluded coverage disabilities occasioned normal pregnancy california system noted divide workers according sex instead divide potential recipients two groups pregnant women nonpregnant persons see communications workers america long lines wetzel liberty mut ins vacated grounds remanded gilbert general elec rev satty nashville gas aff part vacated part remanded holthaus compton sons berg richmond unified school hutchison lake oswego school dist decisions state human rights laws effect see brooklyn union gas new york state human rights appeal anderson upper bucks cty area vocational technical school commw quaker oats cedar rapids human rights iowa massachusetts elec massachusetts discrimination mass minnesota min mfg state michigan dept civil rights ex rel jones michigan dept civil app badih myers cal app cal rptr see assumption women become pregnant leave labor force root discriminatory practices keep women examples prevalent restrictions see turner utah dept employment security per curiam state statute made pregnant women ineligible unemployment benefits period extending weeks expected date childbirth six weeks childbirth cleveland bd ed lafleur school board rule forced pregnant public school teachers take unpaid maternity leave five months expected date childbirth guarantee cf nevada dept human resources hibbs sex discrimination congress recognized rooted primarily stereotypes women mothers internal quotation marks omitted equal employment opportunity commission eeoc current compliance manual counsels denial service credit women maternity leave unlawful charging party took leave employer decision incorporate denial service credit calculating seniority discriminatory eeoc compliance manual effective eeoc compliance manuals recognized reflect body experience informed judgment courts litigants may properly resort guidance federal express holowecki slip quoting bragdon abbott see also pp women still subject stereotype women marginal workers woman passes age viewed employers potentially bradwell upheld state exclusion women practice law exorbitant concurring opinion justice bradley wrote female sex evidently unfi many occupations civil life elaborated paramount destiny mission woman fulfil noble benign offices wife mother law creator ibid muller upheld state limitation applicable women preserve strength vigor race observed physical woman becomes object public interest care cf automobile workers johnson controls concern woman existing potential offspring historically excuse denying women equal employment goesaert upheld state law prohibiting women working bartenders unless woman husband father owned tavern hoyt sustained state law exempting women obligation serve juries reed invalidated state law preferred males females appointment estate administrators frontiero extended married female members uniformed services spousal benefits granted statute automatically male members craig held young men entitled purchase beer age young women virginia held maintain virginia military institute college without offering women genuinely equal educational opportunity fuller account decisions constitutionality classifications see virginia terms pregnant women nonpregnant persons first appeared geduldig see supra gilbert repeated terms quoting geduldig see also eeoc guideline initially published codified cfr commission determined employer rule forbids restricts employment married women applicable married men discrimination based sex prohibited title vii civil rights act seem us relevant rule directed females married females long sex factor application rule application involves discrimination based sex fed reg critical commentary gilbert forerunner geduldig aiello see bartlett pregnancy constitution uniqueness trap rev eskridge america statutory constitution rev karst term foreword equal citizenship fourteenth amendment harv rev law rethinking sex constitution rev nn roelofs sex discrimination insurance planning rights pregnant men women general electric gilbert louis schwartz equalizing pregnancy birth http visited may clerk case file siegel reasoning body historical perspective abortion regulation questions equal protection stan rev siegel come long way baby rehnquist new approach pregnancy discrimination hibbs stan rev taub williams equality require assimilation accommodation separation existing social structure rutgers rev