Fonseca M, Deshmukh PY, Kharat D. Progesterone only pills: an effective contraceptive option for lactating women. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Sep. 23 [cited 2025 Nov. 25];6(10):4399-401. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/3379