1. Pregnancy outcome after first-trimester exposure to metformin: a meta-analysis 
Cameron Gilbert, M.Sc., Maria Valois, M.D., FRCPC, Ph.D., Gideon Koren, M.D. 
Fertility and Sterility 
Volume 86, Issue 3, Pages (September 2006)
DOI: /j.fertnstert
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1 Meta-analysis of all studies.
Gilbert. First-trimester exposure to metformin. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

3. FIGURE 2 Meta-analysis of diabetes studies.
Gilbert. First-trimester exposure to metformin. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

4. FIGURE 3 Meta-analysis of PCOS studies.
Gilbert. First-trimester exposure to metformin. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions