Ramathibodi Hospital Standard Growth for Birthweight from 28 to 42 Gestational Weeks

Abstract

Objective To see the difference in standard growth of to-day compared with that 13 years ago and with other published studies.

Subjects and methods Birthweight and gestational age of 15,419 livebirths born in Ramathibodi Hospital between January 1993 to December 1994 were reviewed and presented as mean, 2 standard deviation and in 10, 50, 90 percentile.

Results The birthweights of to-day were similar to those 13 years ago. Birthweights of male were not different from female. Fetal birthweights in Ramathibodi Hospital were lower than American fetuses but higher than those from Chulalongkorn Hospital and 

Chiangmai Hospital.

Conclusion To-day standard growth curve for Ramathibodi Hospital was not different from 13 years ago. A suitable single standard should be selected and applied to all births in Thailand.