I began taking Tri Sprintec 7 days ago and have taken it at the same time every day. Today I had sex and my boyfriend accidentally came inside me, should I take an emergency contraceptive since I have only been on the pill for a week? How long does it take to become effective and is it okay to take something like Plan B while on birth control pills?
I realize this answer may be a bit late ... it takes 7 days since you start taking the pill before it becomes effective i.e. you need to take the 7 active tablets. Some doctors recommend that you take extra precaution for one month ... so please go by what your doctor advised you to do.
Yes, it is okay to take Plan B while taking the pill.
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