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Sperm chromatin integrity may predict future fertility for unexplained recurrent spontaneous abortion patients.
MedLine Citation:
PMID:  22519675     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The pathogenesis of recurrent spontaneous abortion (RSA) is multi-factorial, complex and poorly understood. In the present study, semen parameters, including sperm chromatin integrity, sperm concentration, sperm motility and sperm morphology, were compared between 111 men whose partners had a history of unexplained RSA (RSA group) and 30 healthy fertile men (control group). The RSA group was further separated into three subgroups, depending on their reproductive outcome during the 12 months after they were enrolled in the study: the pregnancy subgroup consisted of 43 men whose partners achieved a successful pregnancy up to at least the 24th week of gestation; the abortion subgroup included 31 men whose partners experienced further abortions; and the infertile subgroup had 37 men whose partners did not have any positive pregnancy test after regular, unprotected intercourse. Significantly lower proportion of sperm with normal morphology was found in the abortion subgroup (14.7 ± 4.3%) than in the control group (17.5 ± 5.0%). Sperm concentrations were significantly lower in the infertile subgroup (55.7 ± 24.1%) than in the controls (68.6 ± 27.8%). The rates of abnormal sperm chromatin integrity were significantly higher in the abortion (16.7 ± 7.7%) and infertile (16.3 ± 6.6%) subgroups, compared to the control group (13.0 ± 4.4%). Logistic regression analysis showed that the subsequent reproductive outcome of the 111 RSA patients was negatively correlated to the rates of abnormal sperm chromatin integrity. In conclusion, sperm chromatin integrity, sperm morphology, and sperm concentration were associated with future reproductive outcome of RSA patients. The sperm chromatin integrity was a significant predictor for future abortion and infertility.
Authors:
Lihong Zhang; Leiguang Wang; Xingqi Zhang; Guanzhao Xu; Wei Zhang; Kehua Wang; Qiuju Wang; Yi Qiu; Juan Li; Ling Gai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-20
Journal Detail:
Title:  International journal of andrology     Volume:  -     ISSN:  1365-2605     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8000141     Medline TA:  Int J Androl     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Authors. International Journal of Andrology © 2012 European Academy of Andrology.
Affiliation:
Shandong Provincial Key Laboratory for Improving Birth Outcome Technique, Shandong Provincial Research Institute for Family Planning, Jinan 250002, China Department of Obstetrics & Gynecology, Feinberg School of Medicine, Northwestern University, USA, Department of Obstetrics and Gynecology, Weifang Municipal Hospital, Weifang, China.
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