What is parturition? Which hormones are involved in induction of parturition?

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Parturition is the process of giving birth to a baby as the development of the foetus gets completed in the mother's womb. The hormones involved in this process are oxytocin and relaxin. Oxytocin leads to the contraction of smooth muscles of myometrium of the uterus, which directs the full term foetus towards the birth canal. On the other hand, relaxin hormone causes relaxation of the pelvic ligaments and prepares the uterus for child birth.

Similar Questions

Signals for parturition originate from

$A$ : Synthesis of milk is stimulated by rise in the level of oxytocin.
$R$ : Oxytocin is released from the adenohypophysis under influence of hypothalamus.

In man developing embryo remains in

Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$ :

Assertion $A$ : Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby.

Reason $R$ : Colostrum contains several antibodies absolutely essential to develop resistance for the new born baby.

In the light of the above statements, choose the most appropriate answer from the options given below:

  • [NEET 2024]

Signals for parturition originate from

  • [AIPMT 2012]