This is Dr. David
at your age, you could be having declines of your estrogen levels which can lead to vaginal dryness
which can cause pain and stinging when you are having sex.
you should use more lubricant during sex like KY Jelly.
you should also ask your doctor about vaginal atrophy and vaginal dryness which can cause pain during sex
there are treatments for this including vaginal estrogen creams and suppositories which can help improve vaginal moisture.
let me know if you have other questions.
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