| Pregnancy in dark winters: implications for fetal bone growth? | |
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MedLine Citation:
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PMID: 23040526 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: To prospectively examine the prevalence of hypovitaminosis D in pregnancy and to correlate maternal and fetal vitamin D to fetal anthropometry. DESIGN: A prospective cohort study. SETTING: Tertiary referral maternity hospital. PATIENT(S): Sixty pregnant women. INTERVENTION(S): Serum 25-hydroxyvitamin D (25OHD) was measured in early pregnancy, at 28 weeks, and in cord blood at delivery. MAIN OUTCOME MEASURE(S): The prevalence of hypovitaminosis D and the relationship between fetal growth and serum 25OHD concentrations. RESULT(S): Two subgroups were analyzed to examine results in the context of seasonal variation in 25OHD: a winter and a summer cohort. Fetal anthropometry was assessed at 20 and 34 weeks, and at delivery the neonatal anthropometry was recorded. There was a high prevalence of hypovitaminosis D ranging from 33% to 97%, with a marked seasonal variation. Fetal 25OHD concentrations correlated with all biometry at 20 weeks. In the winter cohort, a correlation was found between early pregnancy 25OHD and femur length at 20 weeks, and between 28-week 25OHD and femur length at 34 weeks. Infant length was shorter in those with early pregnancy 25OHD less than the median (52.1 vs. 53.6 cm). CONCLUSION(S): The high prevalence of maternal hypovitaminosis D during winter months in northern latitudes may have detrimental effects on fetal skeletal growth. |
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Authors:
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Jennifer M Walsh; Mark Kilbane; Ciara A McGowan; Malachi J McKenna; Fionnuala M McAuliffe |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-3 |
Journal Detail:
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Title: Fertility and sterility Volume: - ISSN: 1556-5653 ISO Abbreviation: Fertil. Steril. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372772 Medline TA: Fertil Steril Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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UCD Obstetrics and Gynaecology, School of Medicine and Medical Science, University College Dublin, National Maternity Hospital, Dublin, Ireland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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