Placenta weight percentile curves for singleton deliveries
Article first published online: 16 MAY 2007
RCOG 2007 BJOG An International Journal of Obstetrics and Gynaecology
BJOG: An International Journal of Obstetrics & Gynaecology
Volume 114, Issue 6, pages 715–720, June 2007
How to Cite
Thompson, J., Irgens, L., Skjaerven, R. and Rasmussen, S. (2007), Placenta weight percentile curves for singleton deliveries. BJOG: An International Journal of Obstetrics & Gynaecology, 114: 715–720. doi: 10.1111/j.1471-0528.2007.01327.x
- Issue published online: 16 MAY 2007
- Article first published online: 16 MAY 2007
- Accepted 3 February 2007.
- placental weight;
Objective To produce population-based, gender- and gestational-age-specific centile curves for placental weight.
Design Population study.
Setting Medical Birth Registry of Norway
Population All singleton live births in Norway from 1 January 1999 to 31 December 2002.
Methods In a cohort of children born in Norway, placental weights and the ratio of the birthweight to the placental weight were analysed to produce percentile curves.
Main outcome measures Placental weight, birthweight-to-placental weight ratio.
Results Tables and figures are presented for placental percentiles curves according to gestational age and gender. Also, tables and figures are presented for the ratio of birthweight to placental weight.
Conclusions To our knowledge, this is the first time that population percentile curves have been produced for placental weights and hence for the ratio of birthweight to placental weight. These percentile curves may act as a reference for other populations as well until population-specific curves can be produced.