Multiple pregnancy as a high-risk pregnancy. Medical statistical data from the German Democratic Republic.
D001724:Birth Weight; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005859:Germany, East; D006801:Humans; D007226:Infant Mortality; D007251:Influenza, Human / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology; D011272:Pregnancy, Multiple; D012306:Risk