Ergometrine stops postpartum haemorrhage by:
A. Causing vasoconstriction of uterine arteries
B. Increasing tone of uterine muscle
C. Promoting coagulation
D. Inducing platelet aggregation
A. Causing vasoconstriction of uterine arteries
B. Increasing tone of uterine muscle
C. Promoting coagulation
D. Inducing platelet aggregation