Multiple Pregnancy: Twins or More

American Congress of Obstetricians and Gynecologists (ACOG) is a nonprofit organization of professionals who provide health care for women, including teens. The ACOG Resource Center publishes manuals and patient education materials. The Web publications section of the site has patient education pamphlets on many women's health topics, including reproductive health, breast-feeding, violence, and quitting smoking.

The American Pregnancy Association is a national health organization committed to promoting reproductive and pregnancy wellness through education, research, advocacy, and community awareness. You can call a toll-free helpline or use the Web site to request patient education materials.

This organization provides literature and information on infertility.

This website is sponsored by the Nemours Foundation. It has a wide range of information about children's health, from allergies and diseases to normal growth and development (birth to adolescence). This website offers separate areas for kids, teens, and parents, each providing age-appropriate information that the child or parent can understand. You can sign up to get weekly emails about your area of interest.

La Leche League International (LLLI) offers information and encouragement—mainly through personal help—to all mothers who want to breast-feed their babies. It also offers support and information about breast-feeding babies with various disabilities, such as cleft lip or cleft palate. Call for information about a chapter in your area.