Hi me and my girlfriend had sex and well i am 19 and she is only 15 and i am scared that my precum contained sperm but i am certain i did not cum so i gave her Yadmir (the pill) about 20 hours after it happened becasue i was scared so please tell me if her cycle does not change that is come right after she finishes the course what does that mean exactly?
It's also important to note that you might want to consider the transference of infections if either of you could have one.
Next, where did you get the pill from? It's not a good idea to unofficially hand medication to someone - only a doctor can access if a particular hormone is safe and healthy for her body. It's also important to note that the regular birth control pill will not necessarily cause an abortion if an egg has already been fertilized.
The morning after pill, also called emergency contraception, would be the appropriate pill. This is effective if taken within three days after the unprotected sex - it's most effective within 24 hours, and the effectiveness lowers over that three day period. It usually consists of two pills that are taken at the same time.
The pill could also really mess up your girlfriend's cycle, since she would need to start it at a specific point. The hormones are made to match the levels she would need at different parts of her cycle, so starting the pill randomly will probably mess her cycle up quite badly.
Please note that the pill is not considered an effective form of birth control until after a full cycle has been completed, and a second form of birth control such as a condom should be used.
Finally, the decisions you both make about sex should be made by BOTH of you. If you offered the pill to your girlfriend because you were scared, that may be understandable, but she needed to play an active part in that decision. Due to the risk of messing up her cycle, her body not being suited to the pill, and getting medication that is not prescribed, she might very well have decided not to take the pill.
It's also important to point out that due to your ages, a sexual relationship is probably not legal, and you'll want to take that into consideration in future. Your girlfriend can still get access to birth control, however, and you should also use condoms.
The next steps now are to see if her period comes, keeping in mind that the pill will mess things up a bit - and stress can also have a big impact on the period. This could mean that her cycle is much longer or shorter than possible. You can assume things are fine if she has two periods (and you have no more unprotected sex).
Home pregnancy tests are also highly accurate, and this can be taken at varying points - some can be taken on the first day of a missed period and be correct. However, bear in mind her cycle will not be regular this month.
Finally, she needs to take medical advice about whether or not she wants to continue with the pill. It will not stop a pregnancy from happening at this point, and the extra hormones could have an uncertain affect on any possible fetus.
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