[Considerations on the use of a new orally active artificial progestinic agent in threatened abortions in the first trimester of pregnancy. Clinical study].
D000028:Abortion, Induced / Q000517:prevention & control*; D000022:Abortion, Spontaneous; D000033:Abortion, Threatened; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011372:Progestins
D011372:Progestins
ABORTION/prevention and control