Definitions for "Human chorionic gonadotrophin"
(hCG) hormone initially secreted by syncitiotrophoblasts supports corpus luteum which in turn supports endometrial lining and therefore maintaining pregnancy. (More? Week 2 Notes)
A hormone only produced during pregnancy. This is the hormone tested by doctor's blood tests and home pregnancy test to determine if you are pregnant.
The so-called 'pregnancy hormone' your body produces in pregnancy, which is detected by pregnancy-testing kits.