Birth control pills act by ensuring that the ovaries do not release eggs. This action also leads to the thickening of the cervical mucus, which then acts as a barrier to sperm. They may also make it is difficult for a fertilized egg to implant itself in the lining of the womb. They need to be taken regularly.
Effectivity : The effectiveness is anywhere from 92% to 99.7%.
Pros : Many women experience a lessening of menstrual cramps with birth control pills.
Cons : You have to remember to take the pill at the same time every day. You could get pregnant if you don’t take the pill at the same time every day, or you miss one. Some women have side effects like weight gain, increased blood pressure and mood changes with the pill. Oral contraceptive pills does not protect against STD