Question

Explain the role of oxytocin and relaxin in parturition and lactation.

Answer 1

• It promotes parturition by relaxing the pelvic joints and by dilatation of the cervix with continued powerful contractions. 
•  Oxytocin 
•  It causes the “Let-Down” reflex-the actual ejection of milk from the alveoli of the mammary glands. 
•  During lactation, oxytocin also stimulates the recently emptied uterus to contract, helping it to return normal size.