Human chorionic gonadotropin (hcg) is a hormone that’s found during pregnancy. It can be measured in your urine and blood. Your hcg levels are highest. the test is performed by taking a sample of blood and measuring the level of hcg in it. It may be repeated several times over a period of days/weeks to monitor whether the. 3 days ago · low hcg levels in early pregnancy are associated with an increased risk of pregnancy loss. They are also sometimes a sign of an ectopic pregnancy when an.
