A member asked:

What are the reasons of delayed menstrual period at 13?

4 doctors weighed in across 2 answers
Dr. Jumnah Thanapathy answered

Specializes in Obstetrics and Gynecology

Physiologocal: This can be mostly your body adapting to the hormones. Other pathology and pregnancy must be excluded. Consult your pedi.

Answered 9/30/2019

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Varies: Some will not have their first cycle until 2.5-3 years after nipple enlargement starts, so a 13 year old may just be delayed in starting. If she has started, often the first year or 2 there can be up to 90 days between cycles because they do not ovulate with each cycle.Discuss this with her doc to see if any testing is needed.

Answered 1/14/2014

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