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| From where does the signal of parturition originate ? |
Both placenta and fully developed foetus . Only through fully developed foetus . Only through placenta . None of these . |
| Both placenta and fully developed foetus . |
| Vigorous contraction of the uterus at the end of pregnancy causes expulsion/delivery of the foetus. This process of delivery of the foetus (childbirth) is called parturition. Parturition is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully developed foetus and the placenta which induce mild uterine contractions called foetal ejection reflex. |
