Dating gestational age by last menstrual period, symphysis-fundal height, and ultrasound in urban Pakistan

Document Type

Article

Department

Community Health Sciences

Abstract

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 (PConclusion: 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.

Publication (Name of Journal)

International Journal of Gynecology & Obstetrics

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