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First trimester serum angiogenic/anti-angiogenic status in twin pregnancies: relationship with assisted reproduction technology.
MedLine Citation:
PMID:  22116949     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUNDThe risk of pre-eclampsia (PE) increases in twin pregnancies, especially when assisted reproduction technologies (ART) are used. The aim of this study was to assess angiogenic/anti-angiogenic factors in maternal serum in the first trimester of twin pregnancies and establish if the mode of conception influences angiogenic status.METHODSThis prospective study enrolled women with twin (n = 61) and singleton (n = 50) pregnancies. Dichorionic twin pregnancies were divided into two groups according to their mode of conception. Singleton pregnancies were used as the control group. Soluble fms-like tyrosine kinase (sFlt-1), free placental growth factor (PlGF) and soluble endoglin (sEng) concentrations were measured in the first trimester maternal serum.RESULTSIn the first trimester, women with twin pregnancies had higher serum concentrations of the anti-angiogenic factor sFlt-1 than that with singleton pregnancies (3924 ± 250 versus 2426 ± 162 pg/ml, respectively; P < 0.001). Maternal serum PlGF concentrations were lower in singleton pregnancies than those in twin pregnancies (37 ± 3.7 versus 59 ± 5.6, respectively; P < 0.001). Serum concentrations of sFlt-1 were higher in twin pregnancies conceived by ART than those in spontaneous twin pregnancies (4313 ± 389 versus 3522 ± 300 pg/ml, respectively; P < 0.05). No differences between groups were observed for sEng.CONCLUSIONSIn the first trimester, twin pregnancies conceived using ART showed a heightened anti-angiogenic status that could explain the increased risk of PE in these cases.
Authors:
O Sánchez; E Llurba; G Marsal; C Domínguez; C Aulesa; M A Sánchez-Durán; M M Goya; J Alijotas-Reig; E Carreras; L Cabero
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-24
Journal Detail:
Title:  Human reproduction (Oxford, England)     Volume:  -     ISSN:  1460-2350     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8701199     Medline TA:  Hum Reprod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Biochemistry and Molecular Biology Research Center for Nanomedicine, Vall Hebron University Hospital, Barcelona, Spain.
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