title: Influence of umbilical cord abnormalities (velamentous/marginal cord insertion and nuchal cord) on the perinatal outcomes of the second twin after vaginal delivery of the first twin.
authors.forename: Shunji
authors.initials: S
authors.lastname: Suzuki
authors.forename: Yoshie
authors.initials: Y
authors.lastname: Hiraizumi
authors.forename: Hidehiko
authors.initials: H
authors.lastname: Miyake
mesh_terms: D000328:Adult; D004200:Diseases in Twins / Q000150:complications; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D053589:Nuchal Cord / Q000150:complications; D011247:Pregnancy; D011256:Pregnancy Outcome; D059285:Pregnancy, Twin; D012189:Retrospective Studies; D014427:Twins; D014470:Umbilical Cord / Q000002:abnormalities*