Which of these hormones stimulates uterine contractions and dilation of the cervix?

Correct option is B

The correct answer is (b)Oxytocin

Explanation:

Oxytocin is a hormone that plays a crucial role in stimulating uterine contractions during childbirth and dilating the cervix to facilitate the delivery of the baby.

• Produced by:Hypothalamus and released by the posterior pituitary gland.
• Function in childbirth:
• Oxytocin triggers rhythmic contractions of the uterus, helping in labor.
• It also softens and dilates the cervix for an easier passage of the baby.
• It is sometimes administered artificially (Pitocin) to induce labor if necessary.

Information Booster:

Additional Functions of Oxytocin:

• Stimulates milk ejection (let-down reflex) in lactating mothers.
• Enhances emotional bonding between mother and child.
• Plays a role in social bonding and reducing stress.

Additional Knowledge:

• Progesterone maintains pregnancy by preventing uterine contractions.
• Thyroxine regulates metabolism.
• ADH controls water balance in the body by reducing urine production.