[Endangered pregnancy--an important part of perinatal medicine].
D000033:Abortion, Threatened; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D011247:Pregnancy; D011248:Pregnancy Complications; D011295:Prenatal Care
Rizikové tĕhotenství--důlezitá soucást perinatální medicíny.