Which of these is not an important component of initiation of parturition in humans

Options

A. Synthesis of prostaglandins
B. Release of oxytocin
C. Release of prolactin
D. Increase in estrogen and progesterone ratio

Answer

C

Explanation

Progesterone inhibits uterine contractions. Oxytocin stimulates uterine contractions. Estrogen stimulate placenta to release prostaglandin which induces production of enzymes that digest collagen fibres in the cervix causing it to soften.