Can i be pregnant i have irregular period i had an period for 3 months. i had sex on thanksgiving and used a condom but days after i started feeling tired and throwing up. can i be pregnant?

When : When used correctly condoms are highly effective. Unless the condom broke or slipped off, there is a good chance you are not pregnant. If you are concerned you can take an early prediction pregnancy test in about 2-3 weeks or you can visit a doctor for a blood test. This is a good idea since you have a history of irregular periods. Best of luck.

There is one way: to easily find out. If you miss your period, would take a home pregnancy test.