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Lindie
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how long does the morning after pill remain in your body?

Resolved Question:

I had unprotected sex on friday afternoon. I took the morning after pill that night and the second dose as prescribed. I had unprotected sex again on Sunday. Would the morning after pill still have been in my system and at all effective as a means of contraception?
Submitted: 6 years ago.
Category: Health
Expert:  Lindie replied 6 years ago.

The pill is only good for up to 72 hours after sex. The closer to the start of the 72 hours, the better. Since you were still in the 72 hour window, it's possible that the pill will work. However, sperm can live 3-5 days. So to be sure, you would have wanted to do another dose of the MAP. At this point all you can do is wait to see if you do get your period. Do keep in mind though that that MAP is not a form of birth control, as it won't work as well as regular contraceptives

Customer: replied 6 years ago.
So to clarify: "since you were still in the 72 hour window" refers to the timeline for taking the pill after the first sexual episode, or does it mean that it may cover me because the second sexual episode was within the 72 hours following the dose.

Does the MAP work pre-emptively?   How long does the drug stay in your system? Is the one dose sufficient for more than one sexual episode?

Thank you.
Expert:  Lindie replied 6 years ago.

Basically it's a 50/50.. I see now where you said you took it that night for the first dose, so the 2nd dose was Saturday morning.

Then sex Sunday, which I assume is at night as well. As stated earlier, sperm can live 3-5 days, so the pill wouldn't work if you ovulated say Tuesday. As pregnancy could occur then. (if it's time for your cycle)

The medication only stays in your system for a couple of days. So if you took the 2nd dose on Saturday morning then figure 24 hours and it's gone. So Sunday night you would have needed another dose.

If you are generally regular each month, and are on a 28 day cycle and give me the first date of your last period, I can check to see when your possible ovulation date would have been.

Hope this helps.

Customer: replied 6 years ago.
Thank you so much for all of your feedback. Unfortunately I have never had a regular period. Is there a brand of pregnancy test that let's you know before you've missed your period? Are you able to recommend a particular brand?
Expert:  Lindie replied 6 years ago.

The only one that would be pretty good is First Response. It states it can detect pregnancy up to 5 days before. However, is it 100%, for some yes. But since you know when you had unprotected sex, it's best to wait at least 14 days after if not 19 days. As every woman is different when it comes to how hCG levels rise. So if you do not have any period by day 17 from Saturday, then do take a test. Keep in mind though a blood test with your doctor is most reliable.

Lindie, Healthcare Expert
Category: Health
Satisfied Customers: 5489
Experience: 17+ years, Healthcare Expert
Lindie and 4 other Health Specialists are ready to help you
Customer: replied 6 years ago.
Thank you, XXXXX XXXXX keep all of that in mind. I appreciate your help so much!!

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