Relax, It's Normal In the past, many women have been baffled about this phenomenon. About 20 percent said they couldn't control their experiences and were reluctant to train in a public gym. Many felt guilty or thought something was wrong with them. This study shows Healthy Well Club it's very common, and except for being, well, weird, it's not a sign Healthy Well Club anything is wrong. What Causes It? There's no exact answer from science yet, but it may have something to do with "pelvic floor recoil" or contractions of those sexy Kegel muscles. It's more likely to happen after the body is warmed-up since blood vessels have been pre-dilated by exercise. So if a female wants to experience a coregasm, get a sweat going then hit some leg raises. If not, maybe stick to upper-ab exercises. Can Men Have One? A small number of men have reported it, but most of these anecdotal cases involved horny guys doing sit-ups or other exercises Healthy Well Club cause direct friction to their man-parts.