Mohapatra K, Ghosh S, Dash R, Sahoo B. Role of vaginal progesterone in reducing the rate of preterm labour in women with a sonographic short cervix. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Feb. 19 [cited 2025 Oct. 13];4(6):1793-7. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/2306