Mohi, M. K.; Kaur, M.; Kaur, G.; Kaur, S. P. Ultrasonographic Evaluation of Antenatal Umbilical Cord Coiling Index (aUCI) in Second Trimester of Gestation and Pregnancy Outcome. Int J Reprod Contracept Obstet Gynecol 2018, 7, 4623-4627.