Physical training that includes short intense burst of activities such as sprints is called training.

I believe the answer is interval training,but i am not a 100% sure.  

Keep your hands washed and trash kept in trash cans.

There are a couple of answers.you could have an infection, a sti, std, or other problematic health issues.i would recommend going to the doctors, if not, take a shower and wash down there, then wait a couple of days, and if it’s still there, then is when you should go to the nearest or trusted gynecologist of your choice.