Perinatal outcomes of abnormal umbilical coiling according to a modified umbilical coiling index.
Yasumasa OhnoMikio TerauchiKoji TamakoshiPublished in: The journal of obstetrics and gynaecology research (2016)
Umbilical coiling abnormalities were investigated using a novel umbilical venous coiling index. A hypocoiled umbilical cord evaluated by umbilical venous coiling index was found to be associated with fetal heart rate abnormalities, operative delivery, and nuchal cord entanglement.