What changes occur at the time of birth ? – InterviewSolution

1.	What changes occur at the time of birth ?
Answer» A cycle of uterine contractions followed by labour pains, dilation of cervix and the vagina slowly pushes the foetus out of the uterus. The uterine contractions are initiated by decreased progesterone secretion and the secretion of oxytocin hormone by the pituitary gland. After the child delivery, the placenta is expelled out.

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