[A rare case of velamentous insertion with a gelatineous node and polypoid placenta in monozygotic twin pregnancy].
D005260:Female; D006801:Humans; D010920:Placenta; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014430:Twins, Monozygotic; D014470:Umbilical Cord
PLACENTA; PREGNANCY, MULTIPLE; UMBILICAL CORD