Hi, XXXXXXXX, There are many conditions that could be producing these menstrual irregularities (light menstrual cycle for 3 weeks now ) that You have been experiencing like :
1- Changes in your life routine ,like moving to other place in your case
2- Hormonal alterations in the levels of estrogen ,progesterone, FSH or LH hormones.
3- Thyroid or pituitary gland disorders
4- Internal Uterine masses
5- Weight changes ,losing or gaining weight
6- Birth Control Pill side effects
You should consult a gynecologist to be properly evaluated and treated .
The doctor will need to perform some tests like : a pelvic ultrasound ,Pap smear, TSH,T3,T4,estrogen , progesterone ,FSH and LH hormone blood levels among other tests .
With the results , Your doctor will be able to determine what is producing your symptoms to give you the appropriate treatment .
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Doctor (MD)
MD