"Me and my gf had sex 5 days into her period and she was wearing a tampon, stupid i know, but it happened. Now her periods slowing down to wear its ending and barly bleeding like it always does. She has short spotty periods and we need to know if she could have been ovulating on the 5th day of her period. Can a doctor please answer this the best to their ability, it would be GREATLY apperciated.