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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Recurrent failure of in vitro fertilization: Role of the hemizona assay in the sequential diagnosis of specific sperm-oocyte defects
American Journal of Obstetrics and Gynecology, Volume 164, No. 5 PART 1, Year 1991
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Description
The results of predictive fertilization bioassays (hemizona assay, hamster ova-human sperm penetration assay), in vitro fertilization treatment, fertile donor cross-match tests with either sperm or oocytes, and oocyte micromanipulation for assisted fertilization were used to establish a pathophysiologic diagnosis in cases of recurrent failed fertilization in vitro. Disorders of sperm function manifested at the level of zona binding, zona penetration, oolemma fusion, and pronuclear decondensation as well as oocyte anomalies were considered to represent the specific gamete defects that led to abnormal sperm-oocyte interactions (i.e., failed fertilization). Our findings show that the sequential application of bioassays can elucidate specific sperm or oocyte defects that characterize functional abnormalities among sperm populations. © 1991.
Authors & Co-Authors
Oehninger, Sergio Carlos
United States, Norfolk
Eastern Virginia Medical School
Acosta, Aníbal A.
United States, Norfolk
Eastern Virginia Medical School
Veeck, Lucinda L.
United States, Norfolk
Eastern Virginia Medical School
Brzyski, Robert G.
United States, Norfolk
Eastern Virginia Medical School
Kruger, Theunis Frans
South Africa, Tygerberg
Tygerberg Hospital
Muasher, Suheil Jamil
United States, Norfolk
Eastern Virginia Medical School
Hodgen, Gary D.
United States, Norfolk
Eastern Virginia Medical School
Statistics
Citations: 75
Authors: 7
Affiliations: 2
Identifiers
Doi:
10.1016/0002-9378(91)90684-J
ISSN:
00029378