HCG levels rise exponentially in the first few weeks of pregnancy ... 60 days for hCG to drop to pre-pregnancy amounts (less ...

The patient's postorchiectomy AFP level was 41.7 µg/l and his hCG level was 5.3 IU/l. Further samples 2 weeks later showed an AFP level of 21.6 µg/l, an hCG level of 9.0 IU/l, and a lactate ...

Instead, health care providers look to see if hCG levels double every 48 to 72 hours from whatever level they started at.