Hisory of Circumcision
A site maintained by medical historian Dr Robert Darby on the history of male and female circumcision. The site covers both ritual/customary circumcision in traditional cultures and medically rationalised or "routine" circumcision as practised in English-speaking countries.
http://www.historyofcircumcision.net

The National Institute of Child Health and Human Development
Conducts and supports laboratory, clinical and epidemiological research on the reproductive, neurobiologic, developmental, and behavioral processes that determine and maintain the health of children, adults, families and populations.
http://www.nichd.nih.gov/

National Maternal and Child Health Clearinghouse
Clearinghouse for many topics related to child health.
http://www.nmchc.org/

Association of Maternal & Child Health Programs
Represents state public health leaders and others working to improve the health of women of reproductive age, children and youth, including those with special health care needs, and their families.
http://www.amchp1.org/