Milestones in intrauterine device development.
D003277:Contraceptives, Oral, Combined; D003280:Contraceptives, Oral, Synthetic; D004867:Equipment Design; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel; D009644:Norgestrel; D011247:Pregnancy; D011374:Progesterone
D003277:Contraceptives, Oral, Combined; D003280:Contraceptives, Oral, Synthetic; D009644:Norgestrel; D011374:Progesterone; D016912:Levonorgestrel