Pads and tampons are often soaked with blood. They need to be changed more often than once every 1 to 2 hours.
Blood clots that are 1 inch or bigger.
Periods that last longer than 7 days.

Lack of Period

Primary Amenorrhea

No period by 16 years of age.
No sexual growth or period by 14 years of age or older.
No period by 2 years after puberty.

Secondary Amenorrhea

A woman had normal periods, but they have stopped for at least 3 months in a row.

REFERENCES:

Abnormal uterine bleeding. EBSCO DynaMed website. Available at:https://www.dynamed.com/approach-to/abnormal-uterine-bleeding. Updated October 10, 2019. Accessed November 14, 2019.

Amenorrhea. EBSCO DynaMed website. Available at:https://www.dynamed.com/condition/amenorrhea. Updated January 16, 2018. Accessed November 14, 2019.

Bleeding Disorders in Women. US Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/ncbddd/blooddisorders/women/index.html. Updated April 25, 2018. Accessed November 14, 2019.

Klein DA, Poth MA. Amenorrhea: an approach to diagnosis and management. Am Fam Physician. 2013 Jun 1;87(11):781-788.

Last reviewed September 2019 by EBSCO Medical Review Board Elliot M. Levine, MD, FACOG Last Updated: 11/20/2020

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