I'm 30 and had sex twice Thursday morning (2 days ago). He came inside me both times. So that would mean we had sex 13 days after the beginning of my period. What are the chances that I could be pregnant?

Is there a prize if I'm right?

Are your cycles very regular? Is he fertile? Are you? There are to many variables to know if you are pregnant or not. You'll have to wait until you miss your next period -- and maybe even the NEXT one..

Your chances are as good as any other time you have sex. There is no way we can give you an accurate percentage, even if we knew when you ovulated. By the way, the only way to determine when you ovulate is by taking your basal temperature every day for at least 6 months and tracking your ovulation. Any other method is not accurate.

The only option you have is that of every other woman. Wait for your period. If you miss it, wait 2 weeks, then test using first morning urine. If that test is negative, wait for your next period. If you miss it, test again or get a blood test done.

Good luck.

There is no percent. Are you tracking your ovulation cycle ? Has he had his sperm count checked. So many factors. There is a good chance, since you had sex. Now you just have to wait and see.