Mohi, Manjit K., Manpreet Kaur, Gurdip Kaur, and Satinder P. Kaur. 2018. “Ultrasonographic Evaluation of Antenatal Umbilical Cord Coiling Index (aUCI) in Second Trimester of Gestation and Pregnancy Outcome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7 (11):4623-27. https://doi.org/10.18203/2320-1770.ijrcog20184519.