Correlation of total uterine activity to blood loss in the third stage of labour

Gynecologic and Obstetric Investigation
S ChuaS S Ratnam

Abstract

In 27 women, uterine activity in the third stage of labour was correlated with blood loss measured quantitatively during the same period of time. Myometrial activity was reflected by total intrauterine pressures measured using a Gaeltec catheter tipped pressure transducer inserted transcervically within 5 min of delivery of the placenta. Blood loss over the same 2-hour period was collected on absorbent paper and measured in the laboratory by colorimetric measurement of the haemoglobin content. As total uterine activity in the third stage of labour decreases total blood loss increases, but there is a poor correlation of uterine activity to total blood loss over the same period of time, probably because of biological variations in myometrial activity in normal women.

Citations

Jan 11, 2002·Journal of Midwifery & Women's Health·M C Brucker
Aug 29, 1998·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·P L OeiS Arulkumaran
Mar 22, 2012·Journal of Midwifery & Women's Health·Mavis N Schorn
Nov 4, 2016·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Yuko Masuzawa, Kataoka Yaeko
May 18, 2007·Acta Physiologica·Z BakB Janerot-Sjoberg
May 19, 2021·Scientific Reports·Joanna SichitiuDavid Desseauve

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