Pregnancy after taking birth control pills for a month the child can be taken. Failure of contraception after taking birth control pills results in an unplanned pregnancy, indicating that the pills have no effect on normal ovulation and implantation, so they also have little effect on normal embryonic development. The main ingredients of birth control pills are estrogen and progesterone, which are the hormones normally required for pregnancy. And it is one month after taking the pill to get pregnant, the drug has basically been metabolized in the body, so it is relatively safe. It is recommended to strengthen the pregnancy monitoring, in the early pregnancy can go to the hospital to test the value of progesterone and human chorionic gonadal, preliminary assessment of embryonic development. Ultrasound can be done around 50 days of pregnancy to monitor the presence of fetal heartbeat and yolk sac. In later pregnancy checkups, you should follow the will to do nt, Down syndrome screening, macrosomia and other related tests, as long as there is no abnormal development of the fetus found, you can continue the pregnancy.