Not necessarily. The result of 0.40 mUl / mL in the Follicle Stimulating Hormone (FSH) does not determine that the woman is infertile. There are other aspects that need to be analyzed for the interpretation of this exam.
Low levels of FSH may indicate:
- Absence of ovulation;
- Disorders in the hypothalamus or pituitary, which are the brain centers of hormonal control;
- Existence of a brain tumor, which may interfere with the ability to control the production of Follicle Stimulating Hormone.
In women, the concentration of FSH varies over the menstrual cycle, with peaks in the ovulation phase.
Stress and body weight well below normal may also interfere with Follicle Stimulating Hormone levels.
Follicle Stimulating Hormone promotes and maintains follicular ovaries women and the production of spermatozoa in men.
The FSH test is often ordered in conjunction with other hormones, such as LH, testosterone, estradiol, and progesterone, to investigate the cause of infertility in women and men.
The Follicle Stimulating Hormone dosage is used to investigate menstrual irregularity and also as an auxiliary exam to diagnose disorders of the pituitary gland or diseases which involve the ovaries or the testicles.
In children, the FSH and LH exam is used in the diagnosis of precocious or delayed puberty.
The fertility assessment includes a number of factors that are evaluated during the family planning consultation. The gynecologist, general practitioner or family physician is the professional appointed to analyze the results of the Follicle Stimulating Hormone test and conduct the investigation of infertility.
