Functional aspects of placental maturation in twin pregnancies.
D001034:Apgar Score; D001724:Birth Weight; D001827:Body Height; D002824:Chorionic Villi / Q000098:blood supply / Q000254:growth & development; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000209:etiology; D010922:Placenta Diseases / Q000150:complications; D010929:Placentation; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins