PATHOLOGY

Detailed explanation-1: -The oxytocin travels to your uterus and stimulates contractions. These uterine contractions, in turn, cause your pituitary gland to release more oxytocin, leading to an increase in both the intensity and frequency of contractions.

Detailed explanation-2: -Oxytocin production and secretion is controlled by a positive feedback mechanism where release of the hormone causes an action that stimulates more of its own release.

Detailed explanation-3: -The release of oxytocin from the posterior pituitary gland during labor is an example of positive feedback mechanism. Oxytocin stimulates the muscle contractions that push the baby through the birth canal. The release of oxytocin result in stronger or augmented contractions during labor.

Detailed explanation-4: -Oxytocin contracts the uterus and promotes the progress of labour. A large oxytocin pulse occurs with the birth, and pulses continue afterwards, which help the new mother to birth the placenta, prevent bleeding, and warm her chest for skin-to-skin contact with her baby.

Detailed explanation-5: -Oxytocin levels rise at the onset of labour, causing regular contractions of the womb and abdominal muscles. The cervix must dilate (open) to around 10cm for the baby to pass through. Oxytocin, along with other hormones, stimulates softening of the cervix leading to successive dilation during labour.