You are 51 years old mayby perimenopausal and your periods are veri irregular ie 10 days overdue last 10 days very light for 2 cycles then 5 days overduelast 12 days off 2 days is this normal?
The short answer is yes. Very irregular periods, varying length and heaviness is normal before and during menopause. Have a regular check up with your doctor to confirm hormone levels.