Document

International standards for symphysis-fundal height based on serial measurements from the Fetal Growth Longitudinal Study of the INTERGROWTH-21(st) Project : prospective cohort study in eight countries.

Identifier
DOI: 10.1136/bmj.i5662
Publisher
BMJ Publishing Group.
Gregorian
2016-11
Language
English
English abstract
Objective To create international symphysis-fundal height standards derived from pregnancies of healthy women with good maternal and perinatal outcomes. Design Prospective longitudinal observational study. Setting Eight geographically diverse urban regions in Brazil, China, India, Italy, Kenya, Oman, United Kingdom, and United States. Participants Healthy, well nourished pregnant women enrolled into the Fetal Growth Longitudinal Study component of the INTERGROWTH-21st Project at 9-14 weeks' gestation, and followed up until birth. Main outcome measures Symphysis-fundal height was measured every five weeks from 14 weeks' gestation until birth using standardized methods and dedicated research staff who were blinded to the symphysis-fundal height measurements by turning the tape measure so that numbers were not visible during examination. The best fitting curve was selected using second degree fractional polynomials and further modelled in a multilevel framework to account for the longitudinal design of the study. Results Of 13 108 women screened in the first trimester, 4607 (35.1%) met the study entry criteria. Of the eligible women, 4321 (93.8%) had pregnancies without major complications and delivered live singletons without congenital malformations. The median number of symphysis-fundal height measurements was 5.0 (range 1-7); 3976 (92.0%) women had four or more measurements. Symphysis-fundal height measurements increased almost linearly with gestational age; data were used to determine fitted 3rd, 50th, and 97th centile curves, which showed excellent agreement with observed values. Conclusions This study presents international standards to measure symphysis-fundal height as a first level screening tool for fetal growth disturbances.
Member of
ISSN
0959-8146
Category
Journal articles

Same Subject

Journal articles
0
0
Hassan, Ali.
College of Medicine, Sultan Qaboos University.
2017-10
Journal articles
0
0
Nanda, Annu.
Oman Medical Specialty Board.
2014-09
Theses and Dissertations
0
0
Al-Hinaiyah, Fatma Ahmed Zaher.
Sultan Qaboos University
2003
Theses and Dissertations
0
0
Al-Mahrooqiyah, Amal Ahmad.
Sultan Qaboos University
2016
Journal articles
0
0
Al-Kalbaniyah, Moza.
College of Medicine, Sultan Qaboos University.
2011-02