Natural Methods of Birth Control

The natural methods of birth control are not as effective as other methods such as condoms and oral contraceptives. They work best on woman with regular periods who are in tune with their bodies.
Some natural methods of birth control are:
-Withdrawal: Man withdraws penis from woman's vagina before ejaculating. However, penis can release sperm throughout sex and not just during ejaculation. This method is about 60%-80% effective.
-Calendar method: Abstinence from sex during week woman is ovulating. Works best for women with regular cycles who are in tune with their bodies. This method is about 75% effective.
-The temperature method: Woman takes her basal body temperature every morning with a highly accurate basal thermometer. A specific elevation in temperature can determine that a woman is about to ovulate and thus she abstains from sex a few days before and after ovulation. However, sickness and lack of sleep can throw body temperature off. This method works best when used in conjunction with the mucus method.
-The mucus method: Track changes in the amount and texture of woman's discharge. Discharge or mucus will usually come as estrogen begins to arrive and ovulation is near. Women will avoid discourse from the day the discharge begins to show until four days after it's gone. A vaginal infection or the use of vaginal products may throw off the discharge pattern. This method works best when used in conjunction with the temperature method.
-Lactational amenorrhea method: Some experts claim that as long as a woman has had no periods since she gave birth and is nursing a specific amount, she won't get pregnant. However, a woman will probably ovulate before her period arrives and will have no warning, making this method risky.