Maintenance of pregnancy by progestins.
D000028:Abortion, Induced / Q000517:prevention & control*; D000022:Abortion, Spontaneous; D035843:Biomedical Research; D005260:Female; D006801:Humans; D008283:Maintenance; D011247:Pregnancy; D011374:Progesterone / Q000031:analogs & derivatives; D011372:Progestins
D011372:Progestins; D011374:Progesterone
ABORTION/prevention and control; PROGESTERONE/related compounds