Although many hormone levels are affected in the body when a woman becomes pregnant, the following are the most common hormones and their functions:
- hCG (human chorionic gonadotropin
- This is the one that causes the nausea often associated with pregnancy, and is produced only during pregnancy.
- It is released by the ovaries and the placenta. It stimulates the thickening of the endometrial lining to prepare for embryo implantation.
- It is produced by the placenta and helps maintain a healthy pregnancy.
- hPL (human placental lactogen)
- Produced by the placenta, provides nutrition to the fetus and stimulates milk glands in the breasts.
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