Patil P, Kumari A, Anand HP. Ultrasonographic evaluation of cervical length and amniotic fluid index as predictor of pregnancy outcome in case of preterm premature rupture of membrane. Int J Reprod Contracept Obstet Gynecol [Internet]. 2018 Mar. 27 [cited 2025 Oct. 27];7(4):1411-5. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/4682