Birth and Parturition
Biology ⇒ Reproduction and Development
Birth and Parturition starts at 9 and continues till grade 12.
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Describe the changes in the fetal circulatory system that occur immediately after birth.
Describe the physiological changes that occur in the mother’s body immediately after delivery.
Describe the role of the amniotic sac during birth.
Describe the three main stages of labor during human birth.
Describe what happens during the dilation stage of labor.
Explain the role of fetal cortisol in the initiation of labor.
Explain the role of prostaglandins in parturition.
Explain the significance of the positive feedback loop involving oxytocin during labor.
Explain why a decrease in progesterone levels is important for the onset of labor.
Explain why the expulsion of the placenta is important after birth.
List two major changes that occur in the mother’s body to prepare for parturition.
Name the hormone whose levels drop sharply just before the onset of labor.
Which hormone is released in response to the stretching of the cervix during labor?
Which hormone is responsible for the development of mammary glands during pregnancy?
Which stage of labor is characterized by the actual delivery of the baby?
