WBirth controlWBeginning of pregnancy controversyWBirth Control (film)WCompulsory sterilisation in SwedenWCompulsory sterilizationWConcept FoundationWConjugal LewdnessWContraceptive implantWMarried LoveWHuman population planningWPopulation CouncilWPregnancyWPrevalence of birth controlWPrudence and the PillWResponsible Parenthood and Reproductive Health Act of 2012WSafe sexWVaginal syringeWMargaret Sanger