Birth Control Patch works on the foundation of hormones. Basically it has two female hormones estrogen and progesterone, which prevents ovulation. It does not permit the eggs to developing from your ovaries. So, if there is no egg, what sperm will fertilize, knowning that prevents pregnancy. It also thickens the cervical mucus in order that the sperm cannot achieve the eggs. Menopause symptoms vary greatly, in fact- there won't be any two women that can have the identical menopause symptoms inside the same order. There are some girls that haven't any symptoms as all, although not many. Symptoms last different lengths of your time for several as well as are generated by the hormonal transition and imbalance inside a woman's body.