When should women take a supplement containing 400 micrograms folate to
provide the most protection against neural tube defects?
O
A woman should begin taking a supplement as soon as she thinks she might be
pregnant and through the first trimester.
A woman should begin taking a supplement after visiting her doctor for her first
prenatal visit and through the first trimester.
All women of childbearing age should take a supplement daily and through the
first trimester.
Any of the choices are correct.