If your last menstruation was 10/15/2006), you experience irregular cycles and rare menstruations (oligomenorrhea) all the time and use oral contraceptives to provoke menstruation, it seems likely that your gonadal (estrogen and progesterone) and gonad-stimulating hormones (FSH and LH) are out of balance!!!
You could be experiencing some kind of decreased function of the axis ovaries-pituitary gland-hypothalamus (hypogonadism). Depending upon the location, hypogonadism is classed as either primary (originating from the ovaries), secondary (originating from the pituitary gland) or tertiary (originating from the hypothalamus). Several hormonal analyses (FSH, LH, estrogen, progesterone, prolactin, testosterone, DHEA, thyroxin…) have to be done to locate the problem. An ultrasound scan is also necessary for detecting possible ovarian follicles and measuring endometrial thickness.
You can consult an endocrine gynecologist who specializes in these diagnostic procedures for further help.
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