Swollen vaginal wall?

First off you should not be embarrassed and should learn how to openly talk to your mother. She has been through everything your going to go through and she can help you more than anyone.

Next if your swollen it could be several different things. Have you started any new medications? Have you changed your bath soap? Is there an itch, burn, or discharge?

If it doesnt go away within 24 hours you will have to talk to your mother and probably make a doctors appointment with your family doctor.

I suggest you wait for a day to look if this problem may disappear. If things continue, then you need to mention this to your mom and go to see a doctor. For your age, if there's something wrong, it could be a yeast infection. Yeast infection is caused by a fungus called "Candida albicans" which is normally found in small amounts in the vigina. This infection is often found on people with weakened immune system, in most cases it is not the sex activities which bring women yeast infections.

Women with yeast infection may develop symptoms including:Pain/itch/burning at vulva areaPain/itch/burning in vaginaPain during intercourse and/or urinationCottage cheese like vaginal dischargeSwellingIt's common for little girls to get a yeast infection, antibiotics may help. There's a herbal medicine named . Pill also works well, you can google it and have a look. Hope you can get rid of your ailment soon, good luck!