What are the chances of becoming pregnant if on the pill and had unprotected sex after your period?
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You are still fully protected from pregnancy during the week of inactive pills. If the pills are working properly with your body, you have not ovulated, so the chances of becoming pregnant are slim to none. The period you get while on the pill is not a true period. It is withdrawl bleeding that results from your body reacting to not having the progesterone from the active pills.
The hormone progesterone is normally secreted in larger amounts during pregnancy. The progesterone in the pill works by making your body think it is already pregnant, thereby shutting down the ovaries and preventing ovulation. Progesterone also causes the uterine lining to build up. When the progesterone is gone from your system, your body thinks it has had a miscarriage, and sheds the uterine lining.
Highly unlikely.
If you've been taking your pills consistently and correctly, at the same time each day, it should protect you against pregnancy 99.9% of the time. Not to mention that it is VERY unlikely to conceive while menstruating.
Chances are low. Even during those seven days of "placebo" or "sugar" pills, your birth control pill still protects you from being pregnant. It is EXTREMELY unlikely that you would have ovulated right after your period. As long as you don't wait more than 7 days from your last active pill to start the new pack, you should be protected from pregnancy for the entire cycle.
Luckily your chances are slim. A woman can only get pregnant 3 to 5 days out of the month and that is when she ovulates. You are least likely to get pregnant right before and right after your period. As long as you took your pills correctly you should be in the clear. If getting pregnant is a fear though it wouldn't hurt to use backup protection.
The chances are slightly less than if you had unprotected sex at any other time while NOT on the pill. OK that sounded confusing.
Let's go through the timeline so I can be crystal clear. A few days from the START of your period, you ovulate or release an egg. Egg waits around to be fertilized for a few weeks. During your period you (in theory) flush the unfertilized egg out. So right after your period you are less likely to have an egg present to be fertilized. Get it?
This does not mean that you're 100% in the clear, but chances are pretty good that you're not pregnant. Regardless, KEEP TAKING YOUR BIRTH CONTROL. If you don't get your period in a month, take a test. That's the only way to know for sure, and that means trusting in chemistry and waiting.
Chances are less than 1/10th of a percent if you take the pill regularly and don't miss pills. The only reason you would have reason to worry is if you were recently on antibiotics. Your period probably ended soon because once you have been on the pill for 6 mos or so your periods get shorter and lighter. Without birth control your uterus has a thicker lining for ovulation and when you have your period you shed that lining. Since you don't ovulate on birth control there's no reason for your body to build up that lining, so the amount you shed is less. This is probably why you had a shorter period. You are still protected by the birth control during those "period" pills. don't worry :)
Chances are low... but remember life will always find a way so if you don't plan on having kids just yet i would have his willy gift wrapped
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