The Effect of the Menstrual Cycle on Glucose Control in Women With Type 1 Diabetes Evaluated Using a Continuous Glucose Monitoring System

Information on the factors that affect glycemia is pivotal in the treatment of diabetes, including insulin sensitivity in different physiological processes (1–4). The current study evaluated the effect of the menstrual cycle on glucose control 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 breastfeeding, with normal thyroid function, and recent glycated hemoglobin 180 mg/dL, hypoglycemia 180 mg/dL (≤2 h after a meal), and nocturnal …