[Methods of detecting risk pregnancies].
D000033:Abortion, Threatened; D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006760:Hospitalization; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*
K metodice depistáze ohrozených tĕhotenství.