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Hum. Reprod. Advance Access published online on April 21, 2005
Human Reproduction, doi:10.1093/humrep/deh853
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© The Author 2005. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved. For Permissions, please email: journals.permissions@oupjournals.org
Received November 2, 2004
Revised December 28, 2004
Accepted February 18, 2005

Article

Comparison of ovarian stromal blood flow between fertile women with normal ovaries and infertile women with polycystic ovary syndrome

Ernest Hung Yu Ng 1*, Carina Chi Wai Chan 1, William Shu Biu Yeung 1, and Pak Chung Ho 1

1 Department of Obstetrics & Gynaecology, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China

* To whom correspondence should be addressed.
Ernest Hung Yu Ng, E-mail: nghye{at}hkucc.hku.hk


  Abstract

BACKGROUND: Conflicting information exists in the literature with respect to ovarian stromal blood flow in women with polycystic ovary syndrome (PCOS). We compared the ovarian stromal blood flow and serum vascular endothelial growth factor (VEGF) concentration between fertile women with normal ovaries and infertile women with PCOS. METHODS: In the second to fourth day of the menstrual period, they underwent transvaginal scanning with three-dimensional (3D) power Doppler to determine total antral follicle count (AFC), total ovarian volume, total ovarian vascularization index (VI), flow index (VFI) and vascularization flow index (VFI). Serum FSH, LH and VEGF concentrations were also checked. RESULTS: 107 fertile controls and 32 PCOS women were recruited. Fertile controls and PCOS women had similar total ovarian VI/FI/VFI after controlling for age of the woman, although PCOS women had significantly higher total AFC, total ovarian volume and serum LH concentration than fertile controls. Total ovarian VI/FI/VFI were significantly higher in normal weight (BMI < 25 kg/m2) PCOS women than their overweight (≥25 kg/m2) counterparts. CONCLUSIONS: Fertile controls and PCOS women had similar total ovarian 3D power Doppler flow indices. Normal weight PCOS women had significantly higher total ovarian 3D power Doppler flow indices than their overweight counterparts.

Keywords: ovarian stromal blood flow; polycystic ovary syndrome; three-dimensional power Doppler.
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