Immunization against pregnancy.
D000818:Animals; D002143:Callitrichinae; D006063:Chorionic Gonadotropin / Q000276:immunology*; D003267:Contraception; D003269:Contraception, Immunologic; D005260:Female; D005298:Fertility; D000882:Haplorhini; D007114:Immunization / Q000379:methods; D007116:Immunization, Passive; D013997:Time Factors
D006063:Chorionic Gonadotropin