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Original Research
Intracytoplasmic sperm injection allows normal pregnancy rates for males ≥ 40 with low hypoosmotic swelling test scores even when complicated by very low motility percentage
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1
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
2
Cooper Medical School of Rowan University, Department of Obstetrics and Gynecology Division of Reproductive Endocrinology and Infertility, Camden, NJ (USA)
Clin. Exp. Obstet. Gynecol. 2013, 40(1), 18–19;
Published: 10 March 2013
Abstract
Purpose: To determine if the additional burden of low percentage motility reduces the chance that sperm with low hypoosmotic swelling (HOS) test scores will achieve a pregnancy following in vitro fertilization (IVF) with intracytoplasmic sperm injections (ICSI). Methods: Couples undergoing IVF-embryo transfer (ET) and ICSI for low HOS tests (< 50%) were retrospectively identified. The percentage motility was divided into deciles. Pregnancy rates were determined according to the deciles of motility. Results: No differences in clinical or live delivered pregnancy rates per transfer were found in even the very lowest percent motility category. Conclusions: The added complicating factor of low percentage motility added to sperm with low HOS test scores does not reduce the effectiveness of IVF with ICSI.
Keywords
Hypoosmotic swelling test
Sperm motility
Intracytoplasmic sperm injection
In vitro fertilization-embryo transfer