OBSERVATIONS The Effect of the Menstrual Cycle on Glucose Control in WomenWith Type 1 Diabetes Evaluated Using a Continuous

Information on the factors that affectglycemia is pivotal in the treatment ofdiabetes, including insulin sensitivity in different physiological processes (1– 4). The current study evaluated the effect of the menstrual cycle on glucose con-trol in six patients with type 1 diabetes, with a median age 23 years and regular menstrual cycles, not in use of hormonal contraception, not pregnant or breast-feeding, with normal thyroid function, and recent glycated hemoglobin,8% (median 7.4%); four patients were nor-mal weight and two overweight. They were evaluated using a continuous glu-cose monitoring system over 72 h in the follicular (4th–8th days) and in the lutea