7 Reasons for Late Periods: , 1. Stress Stress can cause a delay in a womans menstrual cycle by disrupting the balance of hormones in the body. The hormone cortisol, which is produced in response Endometriosis The Lancet Delayed Menstruation: Causes, Diagnosis, & Treatment in Austell The Emerging Roles of Ferroptosis and NETosis in Pregnancy Complications: Insights into Preeclampsia and Gestational Diabetes Mellitus What may be the reason for a menstrual delay? Menstrual cycle rhythmicity: metabolic patterns in healthy women Scientific Reports