My Cart

0 Item(s): $0.00

You have no items in your shopping cart.

Human Chorionic Gonadotropin Definition

human chorionic gonadotropin definition

Medical Definition of Human chorionic gonadotropin

Human chorionic gonadotropin: (hCG) A human hormone made by chorionic cells in the fetal part of the placenta. Human chorionic gonadotropin (hCG) is directed at the gonads and stimulates them. Hence, the name "gonadotropin."

The presence of hCG is detectable by immunologic means within days of fertilization and forms the foundation of the common pregnancy tests. The level of hCG tends to be higher with a female fetus soon after conception.

The level of hCG in maternal serum also enters as one component in the "double" and the "triple" screening tests used during pregnancy to assign risks of Down syndrome and other fetal disorders.

How soon do early pregnancy symptoms start?

Some women may experience early signs and symptoms within the first weeks of pregnancy in the first trimester, while others may develop symptoms later on in the pregnancy. First signs and symptoms of early pregnancy can also be similar to symptoms experienced prior to the menstrual period, so a woman may not recognize the symptoms as related to pregnancy.

What are the later signs and symptoms and signs of pregnancy?

Many of the early symptoms of pregnancy can persist during the second and third trimesters, for example:

  • Mood changes
  • Headaches
  • Increased urination
  • Backache
  • Food cravings
  • Fatigue

Normal hCG Levels

hCG levels can vary dramatically, from woman to woman and from pregnancy to pregnancy. Generally, an hCG level of less than 5 mIU/ml means a woman is not pregnant and anything above 25 mIU/ml indicates a pregnancy has occurred.

While the below ranges give an idea of what is considered normal, the results of one hCG blood test mean very little. Rather, the change in the level between two consecutive tests done two to three days apart is much more telling of how a pregnancy may progress

Why is the hCG blood test performed?

The hCG blood test is performed to:

  • confirm pregnancy
  • determine the approximate age of the fetus
  • diagnose an abnormal pregnancy, such as an ectopic pregnancy
  • diagnose a potential miscarriage
  • screen for Down syndrome

Know More About This Medicine and Buy Now : MedyPharma.com

Loading...