Khajotia S, Sharma M, Khichar MC, Gupta M, Choudhary K. Study of pre induction transvaginal ultra-sonographic cervical length and its comparison with bishop score in predicting successful labor induction. Int J Reprod Contracept Obstet Gynecol [Internet]. 2021 May 27 [cited 2025 Dec. 4];10(6):2335-40. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/10185