Frequently Asked Questions about Birth Control Drugs
- Answers to commonly asked questions about hormonal methods of birth control, such as the Pill, Mini-Pill, Norplant, and Depo-Provera. Includes information about missed periods, missed pills, and side-effects.
- http://w-cpc.org/sexuality/faqbc.html

IPPF Directory of Hormonal Contraceptives
- Database of contraceptives available around the world, searchable by country, brand, composition, manufacturer and type. Free trial access requires registration.
- http://contraceptive.ippf.org/

Long-acting Hormonal Methods
- Explains the use and effectiveness of vaginal rings, injectables and patches, with illustrations and comparisons.
- http://www.epigee.org/guide/hormonal.html