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Question
What changes occur at the time of birth?
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Solution
A cycle of uterine contractions followed by labour pains, dilation of the cervix and the vagina slowly pushes the fetus 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's delivery, the placenta is expelled out.
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RELATED QUESTIONS
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
Describe the functions of Amnion
Describe the functions of placenta
Name the following:
The structure which connects the placenta and the foetus.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Differentiate
Uterus and Urethra.
Give Technical Term:
A structure which connects the placenta with the fetus.
Complete the following sentences with appropriate word:
The period of complete development of the fetus until birth is termed ______.
Write the functional activity of the following structure:
Amnion
Which of the following cannot pass readily through the placenta to the foetus?
