Not sure if this is a yeast infection?
Answers: You really should schedule an appointment next to a doctor, if not, at least give the name the "nurse connection" usually found with the local hospital listing contained by the yellow pages. If no fact list, call the local hospital and ask them to give you a number to nickname. Other than yeast infections, you could be having hormonal problems, or a bacterial infection. You can get bacterial infections surrounded by other ways than touching, wiping the wrong direction, splashing from a not so clean toilet, for example. I know of a guy who get ringworm on his penis because he was petting the dog and then peed trailing the barn!? He just never thought about it. Call a professional and bring back advice and if you need to see a doctor, do so..
Sounds resembling thrush, which is a yeast infection. It could be the hormonal change at the time you have your term - it always happened to me around that time - and your body react to it. Easy to solve the problem - visit the chemist and buy some Canesten cream to apply to the "area" and buy the one off oral tablet to pinch and you should be free of it within a week. It could be that you are just going to be prone to thrush. Go see a doc and win checked. It sounds like some sort of infection so you will have to find swabs taken to find out what it is.
If you are not sexually active it could be a yeast infection or bacterial vaginosis.