A member asked:

23yr old.cycle always been 28days, past 2months its been 20days.im now 5days late. could it be swapping back to 28days? no cramps but tender breasts.ty

A doctor has provided 1 answer
Dr. James Okamoto answered

Specializes in Family Medicine

Possibly!: It is nice to be regular, but unfortunately there are factors that can change the duration of your cycle. Stress, exercise, wt loss, pheromones from co-workers, can all sometimes "re-set" your menstrual cycle. It you're late, and sexually active, you always need to rule out the possibility of pregnancy, but the tender breasts could also just be some pre-menstrual breast tenderness also.

Answered 4/9/2014

5.3k views

Thank

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