Вот та ссылочка что я искалаFor HCG levels <1200 mIU/ml, the expected doubling time is 48-72 hours. * For HCG levels 1200 to 6000 mIU/ml, the expected doubling time is 72-96 hours. * For HCG levels >6000 mIU/ml, the expected doubling time is >96 hours.