You need to do the following blood tests: CBC ESR, FBS, PLBS, BUN,
Creatinine, SGPT, SGOT,
Thyroid profile,
Vitamin B12, Vitamin D3, Chest X ray, & Sonography (Abdomen & Pelvis). Consult a physician with these reports for appropriate treatments. If your menstrual cycle is irregular then you need to consult a gynecologist as well.