1. Letrozole and Unexplained Infertility: A Contemporary Meta-analysis
Yi-Hong Shao, MD Candidate, Togas Tulandi, MD, MHCM 
Journal of Obstetrics and Gynaecology Canada  
DOI: /j.jogc
Copyright © 2019 The Society of Obstetricians and Gynaecologists of Canada/La Société des obstétriciens et gynécologues du Canada. Terms and Conditions

2. Figure
Meta-analysis results. (A) Pregnancy rates with clomiphene or letrozole among women with unexplained infertility. (B) Pregnancy rates with clomiphene or letrozole combined with gonadotropin in women with unexplained infertility.
Journal of Obstetrics and Gynaecology Canada  DOI: ( /j.jogc )
Copyright © 2019 The Society of Obstetricians and Gynaecologists of Canada/La Société des obstétriciens et gynécologues du Canada. Terms and Conditions

3. Journal of Obstetrics and Gynaecology Canada DOI: (10. 1016/j. jogc
Copyright © 2019 The Society of Obstetricians and Gynaecologists of Canada/La Société des obstétriciens et gynécologues du Canada. Terms and Conditions

4. Journal of Obstetrics and Gynaecology Canada DOI: (10. 1016/j. jogc
Copyright © 2019 The Society of Obstetricians and Gynaecologists of Canada/La Société des obstétriciens et gynécologues du Canada. Terms and Conditions