Human chorionic gonadotropin(HCG) appears in urine very early during pregnancy. It is a kind of glycoprotein hormone in placenta of pregnant women. HCG Test, also as baby test or pregnancy test, is a rapid pregnancy test, which you can easily carry out by yourself. It detects the presence of human chorionic gonadotropin. If two colours bands appears in lines C & T, the result is positive meaning you are pregnant.