Gynaecology & Obstetrics Which of the following changes is false regarding a normal pregnancy? A Fall in free T4/T3 in 3rd trimester B TSH falls in the first and second trimester but increases in the third trimester C TSH rises in the first and second trimester but falls in the third trimester D There is an increase in Thyroid binding globulin 💡 Explanation Which of the following changes is false regarding a normal pregnancy? ✓ Correct Answer: C. TSH rises in the first and second trimester but falls in the third trimester