A nurse is doing prenatal counseling with a client and is asked about the importance of folic acid (B9) during pregnancy. Based on the nurse's knowledge, what should be the nurse's response?

Folic acid is known to lower blood glucose in diabetic patients

Folic acid prevents neural tube defects in the developing fetus

Folic acid in the gastrointestinal system prevents celiac disease

Folic acid will prevent migraine headaches in pregnant women