[Intrauterine pressure and fetal and maternal heart rate on administration of the betamimetic agent, hexoprenaline during labour (author's transl)].

: The tocolytic effect of hexoprenaline was determined in 20 women by internal cardiotocography during labour. After 30 minutes of intravenous medication (0.3 microgram/min = dosage for massive tocolysis) the uterine activity decreased on average by 73.6%; the maternal pulse rate increased by 25.0%; the fetal heart rate showed no significant change.