Impact of endometriosis on in vitro fertilization outcomes An evaluation of the Society for Assisted Reproductive Technologies Database

Authors:
Suneeta Senapati, M.D., M.S.C.E., Mary D. Sammel, Sc.D., Christopher Morse, M.D., Kurt T. Barnhart, M.D., M.S.C.E.

Abstract:

Objective:
To assess the impact of endometriosis, alone or in combination with other infertility diagnoses, on IVF outcomes.

Design:
Population-based retrospective cohort study of cycles from the Society for Assisted Reproductive Technology Clinic Outcome Reporting System database.

Setting:
Not applicable.

Patient(s):
A total of 347,185 autologous fresh and frozen assisted reproductive technology cycles from the period 2008–2010.

Intervention(s):
None.

Main Outcome Measure(s):
Oocyte yield, implantation rate, live birth rate.

Result(s):
Although cycles of patients with endometriosis constituted 11% of the study sample, the majority (64%) reported a concomitant diagnosis, with male factor (42%), tubal factor (29%), and diminished ovarian reserve (22%) being the most common. Endometriosis, when isolated or with concomitant diagnoses, was associated with lower oocyte yield compared with those with unexplained infertility, tubal factor, and all other infertility diagnoses combined. Women with isolated endometriosis had similar or higher live birth rates compared with those in other diagnostic groups. However, women with endometriosis with concomitant diagnoses had lower implantation rates and live birth rates compared with unexplained infertility, tubal factor, and all other diagnostic groups.

Conclusion(s):
Endometriosis is associated with lower oocyte yield, lower implantation rates, and lower pregnancy rates after IVF. However, the association of endometriosis and IVF outcomes is confounded by other infertility diagnoses. Endometriosis, when associated with other alterations in the reproductive tract, has the lowest chance of live birth. In contrast, for the minority of women who have endometriosis in isolation, the live birth rate is similar or slightly higher compared with other infertility diagnoses.

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