Which of the following is FALSE regarding a normal pregnancy?
In pregnancy there is a relative iodine deficiency and increased renal excretion. Ref: Karla Philip, 33rd Edition, Page 304
Fall in free T4/T3 in 3rd trimester
TSH falls in the first and second trimester but increases in the third trimester
TSH rises in the first and second trimester but falls in the third trimester
There is an increase in Thyroid binding globulin