How your body changes; Pregnancy after first sex? What's the average age women lose virginity? When you have sex, you may experience increased nipple .
This phase usually begins within 10 to 30 seconds after erotic stimulation, and can last The changes that started in the excitement phase continue to progress.
VAGINAL CHANGES: The elasticity of your vagina changes after you start having sex. Since the vagina is still getting used to this new activity.