期刊
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
卷 110, 期 3, 页码 231-234出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijgo.2010.03.030
关键词
Gestational age; Last menstrual period; Pakistan; Symphysis-fundal height; Ultrasound
资金
- Global Network for Women's and Children's Health Research of the Eunice Kennedy Shriver National Institute of Child Health and Human Development
- Bill and Melinda Gates Foundation
Objective: To compare the accuracy of the reported date of the last menstrual period (LMP) with that of symphysis-fundal height (SFH) in the estimation of gestational age (GA), using an ultrasound (US) scan as reference. Methods: Gestational age was concurrently assessed by the 3 methods in this prospective, population-based, pregnancy-outcome study conducted in Hyderabad, Pakistan, from June 18. 2003, through August 31, 2005, with 1128 women between 20 and 26 weeks of a singleton pregnancy. Results: The mean GA was less by ultrasound than by SFH measurement or the reported LMP, and the mean differences with the US result were statistically significant (P<0.001 for both). At delivery, about 75% of the GA values estimated by SFH measurement were within 7 days and almost 91% were within 14 days of the estimation by ultrasound, compared with 65% and 82% for the GA estimated by the reported LMP. Moreover, using the US as reference, the SFH correctly classified 84% of the term, 68% of the preterm, and 86% of the post-term deliveries (weighted kappa=0.58) compared with the corresponding 79%, 61%, and 55% predicted by the reported LMP (Weighted kappa=0.44). Conclusion: The SFH measurement was found to be more accurate than the reported LMP as a tool to estimate GA and therefore date of delivery, but neither were as accurate as a US scan. (C) 2010 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.
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