Q.Name the hormone chiefly responsible for inducing strong uterine contractions during parturition.

[!TLDR]

Oxytocin, released from the posterior pituitary, is the hormone chiefly responsible for inducing the strong uteri …

Signals from the fully developed foetus and the stretching of the cervix trigger release of oxytocin from the mother's posterior pituitary. Oxytocin acts directly on the myometrium to stimulate strong uterine contractions and also stimulates the placenta to release prostagland …

Recall oxytocin as the hormone acting directly on uterine muscle to cause the strong, escalating contractions o …

Naming progesterone instead -- progesterone's role through most of pregnancy is to keep the uterus quiescent (preventing contractions), the op …