Before revision: Mechanism Upon application of pressure to the internal end of the cervix, oxytocin is released , which stimulates uterine contractions, which in turn increases pressure on the cervix (thereby increasing oxytocin release, etc.
After revision: (therefore increase in contractile proteins)Mechanism Upon application of pressure to the internal end of the cervix, oxytocin is released , which stimulates uterine contractions, which in turn increases pressure on the cervix (thereby increasing oxytocin release, etc.