Visual explanation of menstrual cycle length and variability

<img width=“750” height=“538” src=“https://flowingdata.com/wp-content/uploads/2023/10/menstrual-cycle-health-750x538.png" class=“attachment-medium size-medium wp-post-image” alt=“” decoding=“async” fetchpriority=“high” srcset=“https://flowingdata.com/wp-content/uploads/2023/10/menstrual-cycle-health-750x538.png 750w, https://flowingdata.com/wp-content/uploads/2023/10/menstrual-cycle-health-1090x782.png 1090w, https://flowingdata.com/wp-content/uploads/2023/10/menstrual-cycle-health-210 …