Quantifying bias between reported last menstrual period and ultrasonography estimates of gestational age in Lusaka, Zambia.

ABSTRACT:

Objective

To quantify differences in assessing preterm delivery when calculating gestational age from last menstrual period (LMP) versus ultrasonography biometry.

Methods

The Zambian Preterm Birth Prevention Study is an ongoing prospective cohort study that commenced enrolment in August 2015 at Women and Newborn Hospital of University Teaching Hospital in Lusaka, Zambia. Women at less than 20 weeks of pregnancy who were enrolled between August 17, 2015, and August 31, 2017, and underwent ultrasonography examination were included in the present analysis. The primary outcome was the difference between ultrasonography- and LMP-based estimated gestational age. Associations between baseline predictors and outcomes were assessed using simple regression. The proportion of preterm d

SUBMITTER: Price JT 

PROVIDER: S-EPMC6283668 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature