HCG levels rise in early pregnancy. Most at home pregnancy tests are testing for the presence of HCG or Human Chorionic Gonadotropin in the urine. 8 – 7,340 mIU/ml is the normal range at 5 weeks. Both HCG and progesterone levels rise in early pregnancy. Progesterone levels rise to but not at the same level. HCG levels increase by as much as 60 percent every 2 to 3 days but progesterone increases by about one to 3 ng/ml every few days until they hit a trimester peak.