This is caused by the normal swelling of capillaries in the cervix, which can burst when irritated during sex.
Best sex positions when you’re pregnant [Photo Gallery]
You might be raring to go but still have reservations that sex could somehow hurt your baby. Just know that your partner shouldn't be blowing air into your vaginaas it could cause an embolism air getting into your blood streamwhich could be life-threatening to you and the baby. Trending On What to Expect. Otherwise, go for it! Sex during pregnancy is good for both you and baby: