 [ Symptoms ] i have acne on the sides of my legs and on my labia doctors say it is from sweating please help it is embarrassing [ Disease ] hi try this it may help during the third week after the first day of your last period your fertilised egg moves along the fallopian tube towards the womb the egg begins as a single cell which divides again and again by the time the egg reaches the womb it has become a mass of more than 100 cells called an embryo once in the womb the embryo burrows into the lining of the womb this is called implantation now by doing this it can cause some bleeding so perhaps that is what your getting do hope this helps good luck