claim
A menstrual cycle is considered irregular if the time from the first day of the last period to the start of the next period is less than 24 days or more than 38 days, or if the cycle length varies by more than 20 days from month to month.
Authors
Sources
- Stress: Its Negative Impact on Your Mental & Physical Health www.cwcare.net via serper
Referenced by nodes (1)
- menstrual cycle concept