Beta HCG hormone is used for detecting pregnancy. This hormone shows an increase firstly in blood and then in the urine. As from the 6th or 8th day following impregnation, Beta HCG hormone increases in blood. And when pregnancy takes place, Beta HCG hormone values double. The value in Beta HCG hormone decelerates and starts to slow down in ongoing months of pregnancy. In a pregnancy in which maternity progresses normally, the level of Beta HCG hormone is also utilized to determine the week of pregnancy therein. This hormone test is a reliable test that yields result within a short time.