Medical experts from institutions like Harvard Medical School explain that the menstrual cycle is a reflection of the , which regulates essential hormones.
The risk was highest for women who experienced consistently long or irregular periods throughout their entire reproductive life span , from adolescence through adulthood. Irregular, Long Periods Tied to Shorter Life Span
The association between irregular cycles and early death was slightly stronger among women who were current smokers . Why the Menstrual Cycle Matters Irregular, Long Periods Tied to Shorter Life Span
Long, irregular menstrual cycles may predict premature mortality Irregular, Long Periods Tied to Shorter Life Span