Name Info Provider Link
Birth Weight free resource MedlinePlus Health Information https://medlineplus.gov/birthweight.html
Childbirth Problems free resource MedlinePlus Consumer Health Information https://medlineplus.gov/childbirthproblems.html
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/jas/article-lookup/doi/10.2527/2004.822375x