1. Transforming growth factor-β1 and its receptor soluble endoglin are altered in polycystic ovary syndrome during controlled ovarian stimulation 
Reshef Tal, M.D., Ph.D., David B. Seifer, M.D., Aya Shohat-Tal, Ph.D., Richard V. Grazi, M.D., Henry E. Malter, Ph.D. 
Fertility and Sterility 
Volume 100, Issue 2, Pages (August 2013)
DOI: /j.fertnstert
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
TGF-β1 concentration in (A) serum (ng/mL) and (B) follicular fluid (pg/mL) of women with PCOS and non-PCOS women undergoing COS. Data are presented as mean ± SD. ∗P=.02 and ∗∗P<.01 for PCOS versus non-PCOS women.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Soluble ENG concentration (ng/mL) in serum (A) and follicular fluid (B) of PCOS and non-PCOS women undergoing COS. Data are presented as mean ± SD. ∗P=.04 and ∗∗P<.01 for PCOS vs. non-PCOS women; +P=.02 for day of oocyte retrieval vs. day 3 and day of hCG in non-PCOS group.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions