Human chorionic gonadotropin (hCG) is a hormone produced by the placenta after implantation.   The presence of hCG is detected in some pregnancy tests ( HCG pregnancy strip tests ).. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Abbott on 15000 hcg level: It appears that the baseline value is low. there is then a brisk response over 21 mcg cortisol at 30 minutes. It increases further at 60 minutes. this pattern can be seen with some forms of pituitary suppression, most commonly taking . Human chorionic gonadotropin (HCG) is a hormone that supports the normal development of an egg in a woman's ovary, and stimulates the release of the egg during ovulation. HCG is used to cause ovulation and to treat infertility in women, and to increase sperm count in men.. By 6 to 7 weeks gestation beta hCG levels may take as long as 84 hours [ 3½ If you test too soon, you might get a false positive. Wait 14 days after a 10,000 IU injection, 10 days for a 5,000 IU injection, for 2,500 IU injection 7 days. How accurate is a negative HPT result? If you get a negative HPT result, you may be pregnant and just didn't have a high enough level of hCG to trigger . Beta hCG doubling calculator How quickly are hCG levels rising Use this calculator to calculate the doubling time of two beta hCG samples (quantitative hCG blood test) by entering the values of the blood tests and the date and time of each test.. HCG, BETA, TOTAL, PREGNANCY, SERUM ( CMIA) mIU/mL Interpretation Pregnancy - weeks post LMP HCG levels in mIU/ml 4 5-100 5 200-3000 6 10,000-80,000.