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47 - The Prediction and Management of Poor Responders in ART

from PART III - ASSISTED REPRODUCTION

Published online by Cambridge University Press:  04 August 2010

Botros R. M. B. Rizk
Affiliation:
University of South Alabama
Juan A. Garcia-Velasco
Affiliation:
Rey Juan Carlos University School of Medicine,
Hassan N. Sallam
Affiliation:
University of Alexandria School of Medicine
Antonis Makrigiannakis
Affiliation:
University of Crete
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Summary

INTRODUCTION

Although the first successful in vitro fertilization (IVF) reported in 1978 resulted from a natural (unstimulated) cycle, it became subsequently clear that ovarian stimulation resulted in a higher number of oocytes retrieved and higher pregnancy rates (1). In the following years, various stimulation protocols were suggested and used in patients treated with IVF and intracytoplasmic sperm injection (ICSI). Today, controlled ovarian stimulation prior to IVF or ICS is the universally accepted practice. However, in some instances, the female partner's response to ovarian stimulation is less than optimal, resulting in the retrieval of a small number of oocytes. These patients have been termed poor responders.

Poor responders have a higher incidence of cycle cancellation, lower fertilization, and lower pregnancy and implantation rates. In a study by Saldeen et al, poor responders, defined as those from whom less than five oocytes were retrieved, and who were above thirty-seven years of age, had a significantly lower pregnancy rate per ovum pick-up (OPU) compared to normal responders in the same age-group (3.0 versus 22.1 percent, p < 0.05). In addition, 43.6 percent of these women did not receive an embryo transfer (ET), compared to 13.2 percent of normal responders in the same age-group (p < 0.05). Poor responders who were thirty-seven years of age or younger had a significantly lower pregnancy rate per OPU compared to normal responders of the same age-group (14.0 versus 34.5 percent, p < 0.05) together with a higher cancellation rate (40.1 versus 10.5 percent) (2).

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Publisher: Cambridge University Press
Print publication year: 2008

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Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

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Save book to Dropbox

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.

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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

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