Why do i feel like I want to throw up and i also feel dizzy after having sex? This is the first time that it happened; we only have sex like twice a month, or thrice a month because of our busy schedule. We're both 19. I had my period that started at april 23, then it ended at april 27 or april 28. Then we had sex today, may 2. It's not possible that I'm pregnant right? We also used condoms everytime we have sex and he always check if the condom broke and it didn't. I