Is your menstrual cycle normal?

Use the calculator to evaluate your menstrual cycle.
Enter your data on each characteristic of the menstrual cycle.

The length of the menstrual cycle is measured from the first day of your period to the first day of your next period

The number of continuous days of bleeding

The number of continuous days of bleeding


  • AUB – abnormal uterine bleeding
  • FIGO – The International Federation of Gynecology and Obstetrics
  • VMSS – verbal multidimensional scoring system
    1. Heavy Menstrual Bleeding – CDC. Available at:,your%20life%20to%20the%20fullest. (Last access: 26.09.2023).
    2. Munro MG, Critchley HOD, Fraser IS; FIGO Menstrual Disorders Committee. The two FIGO systems for normal and abnormal uterine bleeding symptoms and classification of causes of abnormal uterine bleeding in the reproductive years: 2018 revisions. Int J Gynaecol Obstet. 2018 Dec;143(3):393-408. doi: 10.1002/ijgo.12666.
    3. Dysmenorrhea in adult females: Clinical features and diagnosis – UpToDate. Available at: (Last access: 26.09.2023).