Daily changes in amniotic and allantoic fluid during the last three months of pregnancy in conscious, unstressed ewes, with catheters in their foetal fluid sacs

摘要

1. Catheters were inserted into the maternal and foetal vasculatures of ten ewes, 100-139 days pregnant, and daily samples of uterine and umbilical blood and maternal jugular vein blood were taken for periods of 5-27 days after operation.