A member asked:

I have irregular periods but it's never happened were i'm 13 days late and i took two test both negative what can cause this?

A doctor has provided 1 answer

Dr. Mary David answered

Several things: There are many things that can cause this including stress, thyroid disease, insulin resistant (including type 2 diabetes), polycystic ovarian syndrome,medications, and changes in your schedule, diet, exercise, or weight. You need to see your primary care provider or gynecologist for a full history and exam to decide which tests are indicated. Hope this helps.

Answered 12/12/2014

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A member asked:

I have irregular periods but it's never happened were i'm 13 days late and i took two test both negative what can cause this?

A doctor has provided 1 answer

Dr. Mary David answered

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