Below an hCG level of 1,200 mIU/ml the hCG usually doubles every 48–72 hours, though a rise of 50–60% is still considered normal.
Razine hCG-a ispod 1,200 mIU/ml the hCG usually obično se udvostruče svakih 48–72 sata, iako se povišenje za 50–60% još uvijek smatra normalnim.