The purpose of this research is to determine if cooking with an iron ingot called the Lucky Iron Fish (LIF) increases the hemoglobin status in women of childbearing age living in Preah Vihear, Cambodia. The investigators hypothesize that the use of the LIF during cooking over a 12-month period will be as efficacious at increasing hemoglobin concentration as iron supplements (18 mg elemental iron) and will be more efficacious than the control.