The body structure along with the skin and the reproductive system undergo changes during pregnancy. The endocrine glands also experience a certain changes to accommodate the growing fetus in the body. The pituitary and thyroid glands undergo changes to enable the baby to get its required nutrition. They also help the reproductive organs to protect and aid in the passing on of genetic information.
The anterior pituitary lobe will start producing prolactin just a few days after conception which will stimulate the growth of the mammary glands to produce milk after the baby is born. The thyroid glands also become big during the gestational period to produce extra hormones required by the expecting mother. The brain requires most of these hormones for its development.
The parathyroid gland also increases in size to provide the increased demands for calcium for the growing baby. As the time for the delivery draws near, the posterior pituitary will start to secrete oxytocin which is produced in the hypothatlamus. This hormone helps in contractions of the muscles and starts the labor ensuring a smooth delivery.
The placenta will produce lot of estrogen and progesterone as ordered by the endocrine glands. This will ensure the growth of the baby, and will control other uterine activities to ensure a healthy pregnancy. It will also cause a lot of changes in the mother’s body to accommodate the pregnancy.
In case the endocrine systems fail to comply, then the baby born will have an increased risk of congenial defects. Also, if the endocrine system does not work properly, the pregnancy can end in a miscarriage.
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