Lasmini, Putri Sri, and Rizanda Machmud. 2017. “Difference of Antral Follicle Count Between Users and Non Users of Hormonal Contraception at M. Djamil Hospital Padang”. Andalas Obstetrics And Gynecology Journal 1 (2):56-63. https://doi.org/10.25077/aoj.1.2.56-63.2017.