Doctors say go for it
“If the patient is comfortable with it, then it’s great to continue having s3x throughout the month and not have to take a break,” says Ford. “It’s perfectly natural and safe for both partners.”
To avoid stained sheets (her patients’ biggest concern), she recommends putting a towel down on the bed, or getting busy in the shower. And don’t be concerned if you see dark red or brown clumps during or after s3x; that’s just older blood and cells of your uterine lining, and it’s perfectly normal.