Information on how birth control pills work to prevent pregnancy. Written in a question and answer format.

Frequently asked questions and articles about oral contraceptives, including side effects, timing of use, effect on menstrual bleeding, and interactions with other medications.

A Canadian article offering in-depth look at the pill, history, and health benefits.

Technical information about which patients should exercise caution or avoid using combined oral contraceptives, from John's Hopkins Reproline.

This article from FDA Consumer magazine reviews the history of oral contraceptives, health concerns, health benefits, and trends toward the future.

Feminist Women's Health Center's info on use, cautions, danger signs, missed pills, and advantages of oral contraceptives.

Technically-oriented report covers changes/advances in pill formulations in recent years, including potential health benefits and risks. Includes a list of birth control pills and their producers and formulations available in the US.

Article for professionals covers pharmacology, efficacy, noncontraceptive health benefits, and side effects. Includes table of pills currently available in the United States.

Includes a gallery featuring samples of early pill packaging, and information about the unregulated clinical trials held in Puerto Rico.

An explanation of the differences in names and availability of birth control pills between Canada and the United States.