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Journal of Assisted Reproduction and Genetics
Published in: Journal of Assisted Reproduction and Genetics 6/2017

01-06-2017 | Assisted Reproduction Technologies

A higher prevalence of endometriosis among Asian women does not contribute to poorer IVF outcomes

Authors: Ayae Yamamoto, Erica B. Johnstone, Michael S. Bloom, Heather G. Huddleston, Victor Y. Fujimoto

Published in: Journal of Assisted Reproduction and Genetics | Issue 6/2017

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Abstract

Purpose

The purpose of the study was to determine whether diagnosis of endometriosis or endometriosis with endometrioma influences in vitro fertilization (IVF) outcomes in an ethnically diverse population.

Methods

Women undergoing a first IVF cycle (n = 717) between January 1, 2008 and December 31, 2009, at a university-affiliated infertility clinic, were retrospectively assessed for an endometriosis diagnosis. Differences in prevalence of endometriosis by ethnicity were determined, as well as differences in IVF success by ethnicity, with a focus on country of origin for Asian women. A multivariate model was generated to assess the relative contributions of country of origin and endometriosis to chance of clinical pregnancy with IVF.

Results

Endometriosis was diagnosed in 9.5% of participants; 3.5% also received a diagnosis of endometrioma. Endometriosis prevalence in Asian women was significantly greater than in Caucasians (15.7 vs. 5.8%, p < 0.01). Women of Filipino (p < 0.01), Indian (p < 0.01), Japanese (p < 0.01), and Korean (p < 0.05) origin specifically were more likely to have endometriosis than Caucasian women, although there was no difference in endometrioma presence by race/ethnicity. Oocyte quantity, embryo quality, and fertilization rates did not relate to endometriosis. Clinical pregnancy rates were significantly lower for Asian women, specifically in Indian (p < 0.05), Japanese (p < 0.05), and Korean (p < 0.05) women, compared to Caucasian women, even after controlling for endometriosis status.

Conclusions

The prevalence of endometriosis appears to be higher in Filipino, Indian, Japanese, and Korean women presenting for IVF treatment than for Caucasian women; however, the discrepancy in IVF outcomes was conditionally independent of the presence of endometriosis. Future research should focus on improving pregnancy outcomes for Asian populations whether or not they are affected by endometriosis, specifically in the form of longitudinal studies where exposures can be captured prior to endometriosis diagnoses and infertility treatment.
Appendix
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Metadata
Title
A higher prevalence of endometriosis among Asian women does not contribute to poorer IVF outcomes
Authors
Ayae Yamamoto
Erica B. Johnstone
Michael S. Bloom
Heather G. Huddleston
Victor Y. Fujimoto
Publication date
01-06-2017
Publisher
Springer US
Published in
Journal of Assisted Reproduction and Genetics / Issue 6/2017
Print ISSN: 1058-0468
Electronic ISSN: 1573-7330
DOI
https://doi.org/10.1007/s10815-017-0919-1

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