Document Detail


Impact of fetal sex in pregnancy-induced hypertension and preeclampsia in Japan.
MedLine Citation:
PMID:  21514961     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The male antigen (HY), the elevated level of fetal antigen in twin pregnancies, and the increased number of MHC mismatches in dizygotic twin pregnancies might affect immunological tolerance during pregnancy. Using the Perinatal Database of the Japanese Society for Obstetrics and Gynecology, we studied the occurrence of pregnancy-induced hypertension (PIH) and preeclampsia in mothers delivering singleton babies and in those delivering monochorionic diamniotic (MD) twin pregnancies and dichorionic diamniotic (DD) twin pregnancies at 125 centers of the perinatal network in Japan from 2001 through 2005. In singleton pregnancies, pregnant women carrying female fetuses had a significantly higher incidence of PIH and preeclampsia compared with those carrying male fetuses. In MD twin pregnancies, compared with mothers carrying male-male fetuses, those carrying female-female fetuses had significantly higher incidences of PIH and preeclampsia and a marked difference was observed in primiparous cases. In DD twin pregnancies, the incidences of PIH and preeclampsia were significantly higher in mothers with female-female fetuses than those with male-male fetuses, while those with male-female fetuses had intermediate values. The incidence of PIH and preeclampsia in MD twin pregnancies was similar to that in DD twin pregnancies with male-male fetuses or female-female fetuses. The male antigen and the increased number of MHC mismatches in DD twin pregnancies were not a risk factor for PIH and preeclampsia. Female fetal sex was a risk factor for PIH and preeclampsia.
Authors:
Arihiro Shiozaki; Yoshio Matsuda; Shoji Satoh; Shigeru Saito
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-22
Journal Detail:
Title:  Journal of reproductive immunology     Volume:  -     ISSN:  1872-7603     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8001906     Medline TA:  J Reprod Immunol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Department of Obstetrics and Gynecology, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
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