TG and cancer: Evolution: in postpartum, 30 patients were in remission, while 12 patients had persistent cancers, without significant difference between the two groups (p = 1.25) In the 42 women, the average Tg before pregnancy was about 1.75 ng/ml (range: 0 to 12.4 ng/ml) and the average rate after delivery was 1.98ng/ml (range: 0 to 18.5 ng/ml).