[The hazardous period of the human ovum before becoming a fetus (clinico-prophylactic considerations)].
D000028:Abortion, Induced / Q000517:prevention & control*; D000022:Abortion, Spontaneous; D005260:Female; D005333:Fetus; D006801:Humans; D010063:Ovum; D011247:Pregnancy
ABORTION/prevention and control