Hello. Anyone po na gumagamit ng combined contraceptive pills. Yung 21 day pills? First time to use e. When ang safe para magpa explode sa loob kay hubby? Based on my research after 7days daw pero yung iba ang sabi need matapos ang isang pack para masabing safe na. On the 16th day of taking pills kasi nag do kami and it was exploded inside. I'm just worried baka mabuntis ako.