American Journal of Obstetrics and Gynecology · 1948 · 19 citations · 0 references
MedicineMaternal HealthObstetricsMaternal-fetal MedicineObstetric ComplicationsObstetric SurgeryFetal PresentationMaternal Medical Complications In PregnancyPregnancyUmbilical Cord ComplicationsFetal MalpresentationPerinatal Morbidity ReductionUmbilical Cord AbnormalitiesUmbilical Cord RuptureVertex Presentation