Hum. Reprod. Advance Access published online on June 15, 2005
Human Reproduction, doi:10.1093/humrep/dei118
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1 Service d’Histologie-Embryologie-Cytogénétique, Laboratoire de Biologie de la Reproduction
* To whom correspondence should be addressed. BACKGROUND: The aim of this study was to determine the pronostic value of a sperm-zona pellucida (ZP) binding assay, combined with World Health Organization (WHO) grade a sperm motility on the day of the IVF attempt, to predict sperm fertilizing ability in unexplained and moderate male factor infertilities. METHODS: In total, 84 couples (64 unexplained infertility; 20 male factor) underwent both a sperm-ZP binding assay and an IVF attempt, irrespective of the tests result. The test was negative when grade a motility was
Received January 6, 2005
Revised April 27, 2005
Accepted April 29, 2005
Article
World Health Organization grade a motility and zona-binding test accurately predict IVF outcome for mild male factor and unexplained infertilities
2 Service de Médecine de la Reproduction, Hôpital Jean Verdier, Assistance Publique - Hôpitaux de Paris, 93140 Bondy
3 Service de Biostatistique et d’Informatique Médicale, CHU Saint-Louis, Assistance Publique - Hôpitaux de Paris, 75475 Paris cedex 10, France
J.P. Wolf, E-mail: jean-philippe.wolf{at}jvr.ap-hop-paris.fr
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Abstract
5% and/or the ZP binding index was <0.7. Fertilization and pregnancy rates were related to the tests results. RESULTS: Thirty-one patients had a negative test (group N) and 53 a positive test (group P). A difference was observed concerning the fertilization rate [median (range): 0 (0-75%) versus 50 (0-100%); P = 0.0001] and the number of cycles with fertilization rate <20% (65 versus 23%; P = 0.0002) between groups N and P respectively. In the group of unexplained and male factor infertilities, the test showed a sensitivity of 83 and 60%, specificity of 50 and 90%, positive predictive value of 76 and 86%, and negative predictive value of 61 and 69% respectively. CONCLUSION: Sperm-ZP binding test, combined with WHO grade a motility assessment, is relevant to prevent IVF fertilization failures in unexplained infertility and, most particularly, in moderate male factor infertility.![]()
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