A
A. Van Steirteghem
Researcher at Vrije Universiteit Brussel
Publications - 254
Citations - 23011
A. Van Steirteghem is an academic researcher from Vrije Universiteit Brussel. The author has contributed to research in topics: Intracytoplasmic sperm injection & Embryo transfer. The author has an hindex of 81, co-authored 252 publications receiving 22213 citations.
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Journal ArticleDOI
Timing of oocyte activation, pronucleus formation and cleavage in humans after intracytoplasmic sperm injection (ICSI) with testicular spermatozoa and after ICSI or in-vitro fertilization on sibling oocytes with ejaculated spermatozoa.
Z. Nagy,C. Janssenswillen,R. Janssens,A. De Vos,C. Staessen,H. Van de Velde,A. Van Steirteghem +6 more
TL;DR: The results of this study suggest that the timing of pronuclear formation is no different when a testicular spermatozoon is microinjected into the oocytes from when an ejaculated spermatozoa is injected.
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Can biological or clinical parameters predict testicular sperm recovery in 47,XXY Klinefelter’s syndrome patients?
V. Vernaeve,Catherine Staessen,Greta Verheyen,A. Van Steirteghem,Paul Devroey,Herman Tournaye +5 more
TL;DR: There are currently no clinical parameters predicting successful sperm retrieval in the subpopulation of patients with non-mosaic Klinefelter syndrome, and all examined clinical and biological parameters failed to predict the outcome of the testicular sperm extraction.
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Comparison of four mechanical methods to retrieve spermatozoa from testicular tissue
TL;DR: Treatment of the testicular tissue by fine mincing was the most effective method in terms of the total number of motile spermatozoa and percentage normal morphology.
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The effect of female age and ovarian reserve on pregnancy rate in male infertility: treatment of azoospermia with sperm retrieval and intracytoplasmic sperm injection.
TL;DR: Evaluated the effect of the wife's age and ovarian reserve on assisted reproduction success rates in the most severe type of male infertility, i.e. azoospermia, and found exaggerated claims of high pregnancy rates can be made by manipulating, in a very simple way, selection for female factors.
Journal ArticleDOI
Semen quality of young adult ICSI offspring: the first results.
F Belva,Mary-Louise Bonduelle,Mathieu Roelants,Dirk Michielsen,A. Van Steirteghem,G. Verheyen,H. Tournaye +6 more
TL;DR: A large follow-up project focussing on reproductive and metabolic health of young adults, between 18 and 22 years and conceived after ICSI with ejaculated sperm, finds that median sperm concentration, total sperm count and total motile sperm count were significantly lower than in spontaneously conceived peers.