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Reproductive Biology and Endocrinology

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Open Access 01-12-2015 | Research

Autologous oocyte cryopreservation in women aged 40 and older using minimal stimulation IVF

Authors: John J. Zhang, Simon Choo, Mingxue Yang

Published in: Reproductive Biology and Endocrinology | Issue 1/2015

Abstract

Background

The value of oocyte cryopreservation in older women remains controversial. The aim of this study was to report the oocyte freezing experience in women aged 40 and older at a single fertility center.

Findings

One hundred fifty eight women (mean age 43.9 ± 0.2) who underwent minimal ovarian stimulation IVF were enrolled. IVF protocol included the use of clomiphene citrate (50 mg/day) or letrozole (2.5 mg/day) with or without low dose gonadotropins (started at 75 IU/day and increased as needed to 150 IU/day). 584 retrieved oocytes (2.1 ± 0.15 per patient) yielded 532 mature MII oocytes that were frozen. After thawing and fertilization by ICSI, a total of 344 embryos (1.9 ± 0.1 per patient) were formed. A total of 57 relatively good embryos were transferred and yielded three live births (5.3 % per embryo transfer), three spontaneous abortions, and one chemical pregnancy.

Conclusions

These data are important in counseling older women who desire autologous oocyte freezing.

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Title: Autologous oocyte cryopreservation in women aged 40 and older using minimal stimulation IVF
Authors: John J. Zhang
Simon Choo
Mingxue Yang
Publication date: 01-12-2015
Publisher: BioMed Central
Published in: Reproductive Biology and Endocrinology / Issue 1/2015
Electronic ISSN: 1477-7827
DOI: https://doi.org/10.1186/s12958-015-0110-4

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Autologous oocyte cryopreservation in women aged 40 and older using minimal stimulation IVF

Abstract

Background

Findings

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Findings

Conclusions

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