[APROPOS OF THE SIGNIFICANCE OF THE MOBILE HEAD ABOVE THE PELVIC ENTRANCE IN PRIMIPARAE].
D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D010298:Parity; D010388:Pelvis; D011247:Pregnancy
DELIVERY; PREGNANCY
K VOPROSU O ZNACHENII PODVIZHNO I GOLOVKI NAD VKHODOM V TAZ U PERVORODIASHCHIKH.