[Loops of the umbilical cord].
D005260:Female; D005313:Fetal Death; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D010298:Parity; D011247:Pregnancy; D014470:Umbilical Cord
Circulares del cordón.