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Human Chorionic Gonadotropin (HCG) Test

Test Overview

The human chorionic gonadotropin (hCG) test is done to check for the hormone, Opens dialog hCG in blood or urine. Some hCG tests measure the exact amount. Some just check to see if the hormone is present. HCG is made by the placenta, Opens dialog during pregnancy. The test can be used to see if a woman is pregnant. HCG can be found in the blood before the first missed menstrual period. This can be as early as 6 days after the egg implants.

The test can also be done as part of a screening test for birth defects. The amount that hCG goes up early in pregnancy can give information about your pregnancy and the health of your baby. Soon after delivery, hCG can no longer be found in your blood.

HCG may also be made by certain tumors, especially those that come from an egg or sperm. (These are called germ cell tumors.) HCG levels are often tested in a woman who may have tissue that is not normal growing in her uterus. The test also may be done to look for molar pregnancy, Opens dialog or a cancer inside the uterus. In a man, hCG levels may be measured to help see if he has cancer of the testicles, Opens dialog.

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Why It Is Done

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

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