ON THE MANAGEMENT OF ELDERLY PRIMIPARAE.
D005260:Female; D006801:Humans; D007226:Infant Mortality; D008875:Middle Aged; D011247:Pregnancy; D011248:Pregnancy Complications; D018566:Pregnancy, High-Risk; D013223:Statistics as Topic
INFANT MORTALITY; MIDDLE AGE; PREGNANCY; PREGNANCY COMPLICATIONS; STATISTICS