A 42-year-old female asked:
what would cause my monthly cycle to come five days early ? i am usually every 28 days without fail
1 doctor answer • 2 doctors weighed in
Internal Medicine 36 years experience
Hormonal changes: Menstrual cycle changes can frequently be causes by physical or emotional stress.
Additionally, starting after age 40 it is not uncommon for menstrual cycles to start to become more irregular and for bleeding to become heavier or lighter.
Last updated Jan 25, 2014
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