Ans: A. Any time as soon as she presents to the clinic irrespective of pregnancyIf a pregnancy is planned in high-risk women (previously affected child with neural tube defects), supplementation should be staed with 4 mg (= 4000 microgram) of folic acid daily, beginning 1 month before the time of the planned conception.Recommendations:By U.S. Public Health Service.Folic acid 0.4 mg daily - For all women of childbearing age & ones capable of becoming pregnant.Folic acid 4 mg (= 4000 microgram) daily - For planned pregnancy in high-risk women (previously affected child) - Beginning 1 month before time of planned conception.
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