Assalamu alaikkum.... i m 26yr old,I have irregular cycle, but my periods not come from 2 months, i hav symptoms like, vomiting sensation,etc... I chkd through strip it shows negative... Dr suggestme to take a tyroid test its normal oly... On report they mentioned onthing that is Pregnancy refrence ranges for Tsh 1st :0.10 -2.50 2nd : 0.20 - 3.00 3rd : 0.30 - 3.00 My question is what is pregnancy refrence ranges? Is it a test for pregnancy? Plz rep ASAp