Sumapraja K, Badruddin HR. The Role of Maternal Progesterone and Estradiol Levels in Predicting the Success of Induction of Labour: A Preliminary Study: Hubungan Kadar Progesteron dan Estradiol Ibu terhadap Keberhasilan Induksi Persalinan: Suatu Studi Pendahuluan. Indones J Obstet Gynecol [Internet]. 2019 Apr. 26 [cited 2026 Mar. 1];7(2):126-9. Available from: https://www.inajog.com/index.php/journal/article/view/867