Is pregnancy possible while on birth control pills?
Patient: Good night! I have a question: if I took a doxycycline 50 mg yesterday around 4pm, for how long will it stay in my system? I m also taking a birth control (every day, same time)and tonight I had sex with my husband and he came in. Any chances of pregnancy? Thank you! Doctor: hello user.dont worry.birth control pill provide 99 percent protection..doxycycline does not decrease the effectiveness of birth control pill.thanks.