query: Why do we use Oxytocin?
passage: Oxytocin (medication)
Oxytocin, sold under the brand name Pitocin among others, is a medication made from the peptide oxytocin.[3][4] As a medication, it is used to cause contraction of the uterus to start labor, increase the speed of labor, and to stop bleeding following delivery.[3] For this purpose, it is given by injection either into a muscle or into a vein.[3]
passage: Oxytocin (medication)
One IU of oxytocin is the equivalent of about 2μg or mcg of pure peptide.