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irregular because I am so thin?

I have an issue with my period cycle.

I have been off birth control for the last 6 months and I have been having unprotected sex with my long term boyfriend over those 6 months.
My period has been late for the past 3 months, once by 2 weeks. But every time I took a pregnancy test it came back negative and I also got my period.

I am 5' 11" and 63kgs - I was wondering if my period could possibly be irregular because I am so thin? Or could I not be able to get pregnant because I'm too thin as well?
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replied November 30th, 2015
Welcome to e health forum.

If your previous cycles were regular and without any variation, and the current change has occurred for the first time, then it is likely that stress or anxiety could be the cause of your cycle changes. A recent change in your life , such as a marriage, travelling , moving to a different place, etc all can be stressful and hence can cause such changes.

Stress certainly plays a role in suppressing the functioning of the hypothalamus, which controls the pituitary gland — the body's master gland — which, in turn, controls the thyroid and adrenal glands and the ovaries; they all work together to manage hormones. Any change in the hormonal equilibrium can hence affect the menstrual cycle.

Take proper rest and relax yourself. Stress can induce hormonal changes in the body. Destressing with having proper sleep, healthy balanced diet, meditation, practicing deep breathing exercises (yoga, etc) can be helpful and will keep your menstrual cycles regular.

But if the cycles are persistently irregular, then other causes including - Severe anxiety, acute infections, acute weight changes, eating disorders (Bulemia), Athletes (Rigorous exercise), conditions like ovarian cysts (with irregular cycles), Hormonal conditions (Eg Dysfunctional uterine bleeding) and hypothyroidism need to be ruled out.

In such situations, it would be recommended for you to consult a OBGYN doctor, who can examine you and order a few tests (blood tests & ultrasound) which might allow specific diagnosis and proper treatment.
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