Fortification of corn masa flour with folic acid in the United States.

Food fortification is an effective public health tool for addressing micronutrient deficiencies. The mandatory fortification of enriched cereal grains (e.g.

Rethinking the definition of "term pregnancy".

Term birth (37-41 weeks of gestation) has previously been considered a homogeneous group to which risks associated with preterm (less than 37 weeks of gestation) and postterm births (42 weeks of gestation and beyond) are compared. An examination of the history behind the definition of term birth reveals that it was determined somewhat arbitrarily. There is a growing body of evidence suggesting that significant differences exist in the outcomes of infants delivered within this 5-week interval.