1. The effect of endometrial scratch on natural-cycle cryopreserved embryo transfer outcomes: a randomized controlled study 
Jennifer Sze Man Mak, Cathy Hoi Sze Chung, Jacqueline Pui Wah Chung, Grace Wing Shan Kong, Sotirios H. Saravelos, Lai Ping Cheung, Tin-Chiu Li 
Reproductive BioMedicine Online 
Volume 35, Issue 1, Pages (July 2017)
DOI: /j.rbmo
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2. Figure 1 CONSORT 2010 flow diagram.
Reproductive BioMedicine Online  , 28-36DOI: ( /j.rbmo )
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3. Figure 2
Subgroup analysis: Comparison of pregnancy outcomes between the two randomized groups with one or more, two or more and three or more previous embryo transfers. (A) One or more previous embryo transfers. There were no statistically significant differences between the two groups. (B) Two or more previous embryo transfers. There were no statistically significant differences between the two groups. (C) Three or more previous embryo transfers. There were no statistically significant differences between the two groups.
Reproductive BioMedicine Online  , 28-36DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions

4. Figure 3
Subgroup analysis: comparison of pregnancy outcomes between the two randomized groups with two or more failed IVF attempts. There were no statistically significant differences between the two groups.
Reproductive BioMedicine Online  , 28-36DOI: ( /j.rbmo )
Copyright © 2017 Reproductive Healthcare Ltd. Terms and Conditions