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Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.
Original Research
Comparison of the efficacy of treating sperm with low hypoosmotic swelling test scores with chymotrypsin followed by intrauterine insemination vs in vitro fertilization with intracytoplasmic sperm injection
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The University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School at Camden, Cooper Hospital/University Medical Center, Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology & Infertility, Camden, NJ (USA)
Clin. Exp. Obstet. Gynecol. 2011, 38(1), 24–25;
Published: 10 March 2011
Abstract
Purpose: To compare the efficacy of two treatments for sperm with low hypoosmotic swelling (HOS) test scores – intrauterine insemination (IUI) with sperm pretreated with the protein digestive enzyme chymotrypsin versus in vitro fertilization (IVF) with intracytoplasmic sperm injection (ICSI). Methods: The choice of patient therapy was optional. The pregnancy rates following two IUI cycles vs one IVF cycle with ICSI were then compared. The data were further stratified and compared according to the severity of the HOS score defect. Results: The more severe the HOS test defect the less likely for chymotrypsin therapy to work whereas the severity did not affect IVF with ICSI success. The use of IVF with ICSI was much more effective than IUI with chymotrypsin treatment. Conclusions: Though IVF with ICSI is much more effective, IUI is much less expensive. Couples should be presented with these data and be allowed to make their own choice considering risks and expense versus efficacy and speed of success.;">
Keywords
Hypoosmotic swelling test
Chymotrypsin
Intrauterine insemination
Intracytoplasmic sperm injection