Multiple choice Why is taking a folic acid supplement important in pregnancy? Reduces the risk of neural tube defects Helps the baby be born a healthy weight Avoids harmful substances being passed to the foetus Improves the IQ of the baby Reveal answer Fill a bubble to check yourself A Correct answer Explanation Folic acid is critical for the early development of the fetus's neural tube, which eventually forms the brain and spinal cord. Adequate intake significantly reduces the risk of serious birth defects such as spina bifida.