1996g-074 2011c-918 2011k-955 2016b-859 618 adverseeffects australia biography birthcontrol breast breastneoplasms cancer carl chemistry chemists complications congresses contraception contraceptiveagents contraceptivedevices contraceptivedrugs contraindications control developingcountries diseases djerassi druginteractions drugtherapy eligibilitydetermination emergencycontraceptives endocrinegynecology estrogen estrogenreplacementtherapy etiology evaluation familyplanning familyplanningpolicy familyplanningservices familypolicy familysize female fertility genitaldiseases governmentpolicy greatbritain handbooks healthinsurance healthriskassessment healthservicesaccessibility history hormonal hormone-dependent hq766 hq766m4892010 human internalmedicine kk3098 lawandlegislation manuals marketing marketingofhealthservices medical medicalpracticemanagement methods neoplasms obstetricalpharmacology oral oralcontraceptives pharmacology physiologicaleffect populationassistance populationcontrol populationpolicy postcoital practicemanagement prevention progestationalhormones progesterone progestins reproductiverights research riskfactors sexinstructionforteenagers sideeffects socialmarketing standards statistics steroids studyandteaching therapeuticuse trends unitedstates women'shealthservices wp11aa1 wp520k61u1969 wp630 wp630l413o1975 wp640b887c1979 wp640d4891990 wp870r584e1996 wz100d633p1992