Toshihiko Kinoshita1, Motohiro Itoh. 1. Department of Obstetrics and Gynecology, Sakura Hospital, School of Medicine, Toho University, Chiba, Japan. kino@sakura.med.toho-u.ac.jp
Abstract
BACKGROUND: Defining regional fat distribution is of importance because of regional variation in adipocyte metabolism. In order to investigate whether maternal body fat distribution changes during pregnancy we measured the abdominal maternal fat thickness. METHODS: A longitudinal study of the thickness of the preperitoneal fat layer (P) and subcutaneous fat layer (S) in the abdomen was conducted; ultrasonography was used to obtain the measurements and the P/S ratio was calculated during each trimester as well as postpartum. RESULTS: When compared with the first and second trimesters, a significant increase in both the P and P/S ratios was observed in the third trimester; thus, regional fat distribution changes during pregnancy. CONCLUSION: Intra-abdominal visceral fat accumulation increases during pregnancy. Copyright 2006 S. Karger AG, Basel.
BACKGROUND: Defining regional fat distribution is of importance because of regional variation in adipocyte metabolism. In order to investigate whether maternal body fat distribution changes during pregnancy we measured the abdominal maternal fat thickness. METHODS: A longitudinal study of the thickness of the preperitoneal fat layer (P) and subcutaneous fat layer (S) in the abdomen was conducted; ultrasonography was used to obtain the measurements and the P/S ratio was calculated during each trimester as well as postpartum. RESULTS: When compared with the first and second trimesters, a significant increase in both the P and P/S ratios was observed in the third trimester; thus, regional fat distribution changes during pregnancy. CONCLUSION: Intra-abdominal visceral fat accumulation increases during pregnancy. Copyright 2006 S. Karger AG, Basel.
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