| Fetal sex pairing and adverse perinatal outcomes in twin gestations. | |
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MedLine Citation:
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PMID: 23137847 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: To assess the association between fetal sex pairing in twin pregnancies and adverse perinatal and infant outcomes. METHODS: A retrospective cohort study of 9770 infants from 4885 twin pregnancies delivered in 2007 was conducted with a statewide hospital discharge database for Texas. Log-binomial regression models based on generalized estimating equations were used to calculate relative risks (RR) and 95% confidence intervals (95% CI) for the following dichotomous outcomes: breech presentation, hospital mortality, intrauterine growth restriction (IUGR), low birth weight, prolonged length of stay (>4 days), receipt of mechanical ventilation, and respiratory distress syndrome (RDS). RESULTS: The sample was composed of 4918 females and 4852 males. An approximately equal number of infants were from a female-female pregnancy (n = 3270), mixed-sex pregnancy (n = 3296), and a male-male pregnancy (n = 3204). Twins of either sex from mixed-sex pairs were 45% less likely to die in the hospital compared with females from a female-female pregnancy (RR, 0.55, 95% CI, 0.31-0.98). Males from a male-male pair were 33% less likely than females from female-female pairs to experience IUGR (RR, 0.67; 95% CI, 0.53-0.83). The incidence of RDS was significantly increased in males from male-male twin pairs versus females from female-female pairs (RR, 1.21; 95% CI, 1.05-1.41). CONCLUSIONS: Male infants from male-male twin pairs were more likely to develop RDS and be placed on a ventilator but less likely to experience IUGR than female infants from female-female pairs. |
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Authors:
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Zuber D Mulla; Sanja Kupesic Plavsic; Melchor Ortiz; Bahij S Nuwayhid; Cande V Ananth |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-5 |
Journal Detail:
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Title: Annals of epidemiology Volume: - ISSN: 1873-2585 ISO Abbreviation: Ann Epidemiol Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9100013 Medline TA: Ann Epidemiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Obstetrics and Gynecology, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso; University of Texas School of Public Health at Houston, El Paso Regional Campus, El Paso. Electronic address: zuber.mulla@ttuhsc.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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