American Journal of Obstetrics and Gynecology · 1970 · 17 citations · 0 references
MedicineMaternal HealthObstetricsContraceptionFamily PlanningLactationContraceptive MethodsContraceptive UseFemale ContraceptionHormonal ContraceptionIntrauterine ContraceptionPostpartum ContraceptionContraception In Postpartum WomenHormonal Contraception PostpartumPostabortion Oral ContraceptivesPostpartum Contraceptive UsePostpartum Hormonal Contraception