I'm planing for pregnancy I missed my period date: 13/8/19 I checked my urine test on same day the test was positive I spoke to my doctor she told me to take blood test and tsh test I took on same day: 13/8/19 and I got reports my hcg level is 578.80 and doctor told me to take again blood test on 15/8/19. Why she told me to take again is it safe please help me. And tsh level is 3.81 my doctor told me to take thyronorm 25 mcg. Please advice me is my pregnancy safe.