Are there any exercises to help tighten the vagina?

Yes there are exercises called Kegels named after Dr. Arnold Kegel. Kegel exercises work by causing contractions of the muscles of the pelvic floor which supports the vagina and uterus. Kegels exercises are typically held for 5 seconds and then released and repeated several times.

There are exercises to tighten the vagina. The Kegel exercise strengthens the pelvic floor muscles, which support the uterus, bladder and bowel. Kegel exercises are named after the doctor who made it popular, Dr. Arnold Kegel. You can do the exercise almost anywhere and anytime. Focus on tightening only your pelvic floor muscles including the muscles of and around the vagina. Do not flex your abdomen, thighs or buttocks.

Begin to contract your vaginal and anal muscles, hold the contraction for five seconds then relax for five seconds, complete ten repetitions. Inhale on the release and exhale with the contraction. Repeat several times a day and work up to ten second contractions.

There is another Kegel exercise called the flutter. You squeeze the same muscle as stated above but this time you will contract and relax the muscle as quickly as you can.  Work up to ten sets several times a day.