Document Detail


Neonatal small-for-gestational age status as a favorable factor for the complete vaginal delivery of both fetuses in Japanese dichorionic twins.
MedLine Citation:
PMID:  21410834     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Aim:  In singletons, neonatal small-for-gestational age (SGA) status is an unfavorable postpartum outcome leading to cesarean section (CS) and increasing the possibility of maternal operative complications. Perinatal characteristics of SGA newborns in dichorionic (DC) twins were investigated for the prognostic impact on their mothers. Methods:  A retrospective study was performed from 2004 to 2009 on 329 DC twins with two live births. Neonates were classified as SGA if they weighed less than the 10th percentile at birth according to Japanese singleton norms. Statistical differences between DC twins delivering appropriate-for-gestational age (AGA)/AGA pairs (control group) and AGA/SGA, SGA/AGA or SGA/SGA pairs (the first/second twins) were analyzed. Results:  The median (range) of the gestational ages at delivery for AGA/AGA, AGA/SGA, SGA/AGA and SGA/SGA pairs were 37.1 (27.1-40.3), 37.2 (29.0-40.9), 37.1 (28.1-40.7) and 37.3 (33.3-40.4) weeks, and the complete vaginal delivery rates of both fetuses were 66.2% (43/65), 84.8% (28/33), 82.4% (14/17) and 70.0% (7/10), respectively. Compared with AGA/AGA pairs, AGA/SGA pairs showed a higher incidence of spontaneous vaginal births of both fetuses (31.3% [26/83] vs 19.9% [37/186], OR 1.84, 95% CI 1.45-4.73) and a lower incidence of emergent CS (25.3% [21/83] vs 38.7% [72/186], OR 0.53, 95% CI 0.30-0.95). Conclusion:  The relatively small size of SGA fetuses allows both fetuses to remain inside the uterus for a longer time and to easily pass through the maternal parturient canal for complete vaginal delivery. Neonatal SGA status is a favorable factor for avoiding operative complications of CS and optimizing maternal perinatal outcomes.
Authors:
Yusuke Inde; Misao Satomi; Hidehiko Miyake; Shunji Suzuki
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-16
Journal Detail:
Title:  The journal of obstetrics and gynaecology research     Volume:  -     ISSN:  1341-8076     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9612761     Medline TA:  J Obstet Gynaecol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 The Authors. Journal of Obstetrics and Gynaecology Research © 2011 Japan Society of Obstetrics and Gynecology.
Affiliation:
Department of Obstetrics and Gynecology, Japanese Red Cross Katsushika Maternity Hospital, Tokyo, Japan.
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