A severely underweight woman (with less than 17 percent body fat) may have irregular ovulation, reducing their odds of conception.

PCOS is the most common cause of female infertility.

Polyps can interfere with the function of the uterus and make it difficult for a woman to remain pregnant after conception. Surgical removal of the polyps can increase the chances for a woman to get pregnant.

In the U.S., progestin-only EC is available on the shelf without age restrictions to women and men.

Birth Control Shot lasts only for three months.

You should swallow the pill at the same time every day, whether or not you have sex. If you miss one or more pills, or start a pill pack too late, you may need to use another method of birth control, like a condom.