11 and Irregular Cycles

Question

My daughter is 11 years old and had her first period eight months ago in August. She had what I would consider normal periods (five to seven days, about 30 days apart) for the first five months, but she did not have a period in February or yet in March. Is this normal or should I concerned? Also she has not had sex.
Susan

Answer

Last Updated: November 24, 2021
Dear Susan,

It is perfectly normal for your daughter to not have regular periods for the first couple of years after she starts menstruating. There are some things that may lengthen the cycle such as diet change or increase in exercise so if she just joined a sports team that may be the reason.

It is never too early to have your daughter chart her cycles and the least she should do is keep a calendar to show when she gets her periods. She can also keep notes on it as to any changes in her life such as sports, diet, or tests. These are all things that can effect her cycles.

Hope that helps.

Vicki Delucchi, CFCP

Answered By:

Vicki Delucchi, CFCP
Vicki Delucchi, Professional Member of CANFP, taught the Creighton Model FertilityCare System in the San Francisco region, until her retirement. She and her husband Randy are parents to two adult daughters, and reside in the Monterey region.

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