chorionic gonadotrophin

noun

1. a hormone secreted by the chorionic villi of the placenta in mammals, esp human chorionic gonadotrophin . It promotes the secretion of progesterone by the corpus luteum and its presence in the urine is an indication of pregnancy

Example Sentences

Despite its poorly understood causes, morning sickness does have a loose association with heightened levels of a hormone called chorionic gonadotrophin.

From BBC

Most laboratory tests for pregnancy work on the same principle: detection of a key hormone, chorionic gonadotrophin, found in the urine of a pregnant woman.

From Time Magazine Archive