A) Differentiation of mammary glands
B) Pressure exerted by amniotic fluid
C) Release of oxytocin from pituitary
D) Fully developed foetus and placenta
Correct Answer: D
Solution :
Foetal ejection reflex in human female is induced by fully developed foetus and placenta. When a woman is in a lithotomy or semi-sitting position, the foetal ejection reflex is impaired and the increased pain caused by the sacrum's inability to move as the baby descends can be intolerable.
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