Differentiate between parturition and lactation. [3]

Parturition: Parturition is the process of delivery of the foetus (childbirth). It is induced by a complex neuroendocrine mechanism. [1.5]

Lactation: Lactation is the process in which mammary glands of the female undergo differentiation during pregnancy and starts producing milk towards the end of pregnancy. This helps the mother in feeding the newborn. [1.5]