[Ratio of prolonged and carried-over pregnancies to the number of births and the ratio of carried-over pregnancies to prolonged pregnancies].
D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011273:Pregnancy, Prolonged; D015022:Yugoslavia
Odnos produzenih i prenesenih trudnodća na broj porodjaja i prenesenih trudnoća na broj produzenih.