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    Hormones During Pregnancy

    What is the role of hormones during pregnancy?

    Many hormone levels are affected in the body during pregnancy. Several hormones play major roles during pregnancy. These are:

    • Human chorionic gonadotropin hormone (hCG). This hormone is made only during pregnancy. It is made almost exclusively in the placenta. HCG hormone levels found in the mother's blood and urine rise a lot during the first trimester. They may play a part in the nausea and vomiting often linked to pregnancy.

    • Human placental lactogen. This hormone is also known as human chorionic somatomammotropin. It is made by the placenta. It gives nutrition to the fetus. It also stimulates milk glands in the breasts for breastfeeding.

    • Estrogen. This group of hormones helps develop the female sexual traits. It is normally formed in the ovaries. It is also made by the placenta during pregnancy to help maintain a healthy pregnancy.

    • Progesterone. This hormone is made by the ovaries and by the placenta during pregnancy. It stimulates the thickening of the uterine lining for implantation of a fertilized egg.

    Online Medical Reviewer: Donna Freeborn PhD CNM FNP
    Online Medical Reviewer: Heather M Trevino BSN RNC
    Online Medical Reviewer: Irina Burd MD PhD
    Date Last Reviewed: 4/1/2023
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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