[On the relation between the time of rupture of the fetal membranes and development of the occipital sacral position].
D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007746:Labor Presentation; D011247:Pregnancy; D012421:Rupture; D012447:Sacrum
FETAL MEMBRANES; LABOR PRESENTATION