Ultrasound dating and birth weight at term
- 18 June 1994
- Vol. 308 (6944) , 1635
- https://doi.org/10.1136/bmj.308.6944.1635
Abstract
EDITOR, - Tine Brink Henriksen and Allen Wilcox1 comment on our finding that the birthweight curve in our study was steeper at term than that observed in other studies.2 We ascribed this to our use of dates based on routine ultrasound scans instead of menstrual dates to derive our weight for gestational age standard.2 They suggest that a constitutionally large fetu's gestational age is overestimated by the dating scan and that therefore bigger babies, with presumably larger birth weights at term, would selectively be plotted against later gestations, thus creating bias. While it is true that the study they refer to showed …Keywords
This publication has 3 references indexed in Scilit:
- Birth weight from pregnancies dated by ultrasonography in a multicultural British population.BMJ, 1993
- Risk assessment adjusted for gestational age in maternal serum screening for Down's syndrome.BMJ, 1993
- GROWTH OF THE FETAL BIPARIETAL DIAMETER DURING NORMAL PREGNANCYBJOG: An International Journal of Obstetrics and Gynaecology, 1971