What it's like to have oral sex on your period These women and vagina-owners, who have all tried receiving oral sex while on le blob, explain that he would be squeamish, but he handled it like a champ and we had a. Period sexcapades can get messy, so we asked a gynochologist if And when it comes to oral sex, during menstruation, Dr. Gersh is firmly in. Many people wonder if having sex during menstruation has side effects. There There is a risk of infection when having oral, anal, or vaginal sex, or any form of. If your partner has cold sores around their mouth (oral herpes), they can pass these on to your genitals during oral sex if you.