Combined use of beta-sympathomimetic drugs and beta-blockers during labour.


None of the betamimetics have a exclusively tocolytic effect. By stimulating the cardiovascular beta-receptor, they also cause a substantial increase in the heart rate and a decrease in blood pressure. We administered 4--5 micrograms/min of Fenoterol to 13 patients during the first stage of labour. This led to complete inhibition of labour. To reduce… (More)