Name Info Provider Link
Birth Control free resource MedlinePlus Health Information https://medlineplus.gov/birthcontrol.html
free resource CDC - Morbidity and Mortality Weekly Report https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6303a3.htm
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24452134/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/24452134