Why Does It Hurt After Not Having Sex for a Long Time? Vaginal pain after intercourse can happen for several reasons. Some of the most common include:, 1. Lack of lubrication Not enough natural or added moisture can cause friction and Sex should never hurt but if it does, youre not alone., Occasional discomfort can be caused by things like low lubrication, anxiety, postpartum changes, or even your first time. But persistent, Why Does It Hurt When I Have Sex? Common Causes and What to Do Experiencing Vaginal Pain After Sex During Pregnancy? Here's How to Prevent It In many cases, a woman can experience painful sex if there is not sufficient vaginal lubrication. When this occurs, the pain can be resolved if the woman becomes more relaxed, if the