Our medical team uses credible resources to collect and verify data that is published on SafeFetus.com. We regurlarly review the current database and strive to update it whenever we are aware of any change in the current risk category of a drug has occured.

• Drugs in Pregnancy and Lactation by Gerald G Briggs, Roger K Freeman, Sumner J Yaffe. Lippincott Williams and Wilkins; 9th Revised edition edition (1 April 2011)

• British National Formulary (BNF) by Joint Formulary Committee. Pharmaceutical Press; 63rd Revised edition (9 Mar 2012)

• Physicians' Desk Reference by PDR Staff. PDR Network; 66th Revised edition edition (5 Jan 2012)

• Drugs During Pregnancy and Lactation: Treatment Options and Risk Assessment by Christof Schaefer, Paul WJ Peters, Richard K Miller. Academic Press; 2 edition (8 Jun 2007)

• PubMed: US National Library of Medicine, National Institute of Health. www.PubMed.org