Sometimes, your cycle may be shorter or longer than usual.
An occasional irregular period isn’t usually a cause for concern.
If you do have irregular periods, your provider can help you figure out what’s going on.
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Abnormal menstruation (periods).https://my.clevelandclinic.org/health/diseases/14633-abnormal-menstruation-periodsOpens a new window[Accessed September 2022]
Cleveland Clinic.
Am I pregnant?https://my.clevelandclinic.org/health/articles/9709-pregnancy-am-i-pregnantOpens a new window[Accessed September 2022]
Cleveland Clinic.
Getting pregnant.https://www.mayoclinic.org/healthy-lifestyle/getting-pregnant/in-depth/symptoms-of-pregnancy/art-20043853Opens a new window[Accessed September 2022]
Mayo Clinic.
Polycystic ovary syndrome (PCOS).https://www.mayoclinic.org/diseases-conditions/pcos/diagnosis-treatment/drc-20353443Opens a new window[Accessed September 2022]
NHS.
Irregular periods.https://www.nhs.uk/conditions/irregular-periods/Opens a new window[Accessed September 2022]
Office on Women’s Health.
Period problems.https://www.womenshealth.gov/menstrual-cycle/period-problemsOpens a new window[Accessed September 2022]
Penn Medicine.
Ovulation date calculator.https://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=41&ContentID=OvulationCalcOpens a new window[Accessed September 2022]