Answer: All of the combination oral contraceptives can cause weight gain.

Taking contraceptives that combine estrogen and progestin (combination oral contraceptives) decreases the risk of endometrial cancer.

Many women are helped by birth control pills, particularly the combination oral contraceptives that contain low-androgenic progestins, like Ortho-Cyclen and Ovulen.

Answer: Azurette and LoEstrin are combination oral contraceptives, which means they contain an estrogen and progestin that work together to prevent pregnancy.

The protective effect of combination oral contraceptives increases with the length of time they are used, and can last for many years after oral contraceptive use has been stopped.

Use of combination oral contraceptives (COC) for at least 1 year reduces endometrial cancer risk by approximately 40%, as demonstrated by case-control studies and prospective cohort studies.

The FDA says that women who smoke and who are over age 35 "should not take combination oral contraceptives because they increase the risk that you could experience serious cardiovascular events, including blood clots."

Then, more than 10 studies, including research by the Centers for Disease Control and Prevention, have demonstrated that women using combination oral contraceptives have a 50 percent reduction in the risk of being hospitalized for infection of the Fallopian tubes.