Pregnant 3rd Tri. Low free T4, but normal TSH levels
I just got my recent labs back at 38 weeks pregnant. Free T4 has been low end the whole pregnancy but now is officially low (just under the cut off range) so not extreme but still low.
TSH has been normal right in mid range (not high or low) my whole pregnancy.
I have adequate iodine intake and no I don’t take biotin that would alter the lab results. I also had blood drawn in the morning.
I saw a few studies citing cognitive issues in babies born to mothers with low T4, so I’m worried.
Anyone have slightly low T4 and normal TSH in pregnancy and everything end up ok?
LABS:
My TSH 1.75 (range .45 - 4.5)
My FREE T4 .81 (range .82 - 1.77)