Question

Where do the signals of parturition originate from?

• A. Uterus wall and placenta
• B. Pituitary gland and ovary
• C. Developed foetus and placenta
• D. Uterus wall and the developed foetus.

Answer 1

The correct option is C Developed foetus and placenta

Parturition is the process of bringing forth a child from the uterus, or womb. The signals for parturition originate from the fully developed foetus and the placenta which induce mild uterine contractions called foetal ejection reflex. The hormone involved in parturition is oxytocin that acts on the uterine muscle