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- Fri Aug 20, 2010 8:11 pm
So, my boyfriend and I had sex for the first time about 2 weeks ago, two times over the weekend. We used spermicidal lube and a condom half way through both times. a week later we had sex again and both times (twice again) we used spermicidal lube and then a condom after wards except for the last time because he had no condom so we just stopped. My boyfriend was no where near climax either time. I'm not sure if he pre-ejaculated or not. I'm supposed to get my period sometime this week and I have been on and off birth control for two years ( at the time we had sex I didn't have my prescription. ) this all happened a week ago. What are my chances of being pregnant?
| Debbie Miller, RN
- Mon Aug 23, 2010 6:27 pm
There are several factors which can influence your chances of pregnancy. If you have pretty normal periods, and it sounds like you do, you would be in a mostly "safe" time of your cycle when it is not likely you were ovulating. Every woman is different but in general with cycles of 26-32 days between, fertility occurs sometime between days 8 and 19 (start counting with the first day of your last period). Day 20 and beyond are usually unlikely days for pregnancy to occur, even with full ejaculation. However, we do not recommend this method as being reliable since failure rate is higher than other methods of birth control. But, it does suggest low odds for pregnancy occurring from that one encounter, especially when it comes to pre-ejaculate only.
You should be pretty safe with the spermicide and condom use previously. There are always exceptions, but the combination is quite reliable as a rule.
If your period does not start as expected, take a home pregnancy test.