Question

The signals for parturition originate from:

• A. placenta only
• B. placenta as well as fully developed foetus
• C. oxytocin released from maternal pituitary
• D. fully developed foetus only

Answer 1

The correct option is B

placenta as well as fully developed foetus

The signals for parturition originates from a fully developed foetus and placenta which induce mild uterine contraction. This triggers the release of oxytocin (birth hormone) from the maternal pituitary gland.