Follicle-stimulating hormone (FSH) (Follicle-Stimulating Hormone, FSH, Serum)
The test determines the level of follicle-stimulating hormone (FSH), regulating follicle maturation in women and spermatogenesis in men. Used to assess reproductive function and hormonal balance. Applied in infertility diagnosis, menstrual cycle disorders, and menopausal states. Recommended for absent ovulation, amenorrhea, reduced fertility.
What the test evaluates:
- Follicle-stimulating hormone concentration in blood serum
- Sex gland and pituitary function
Biomaterial: Venous blood (serum)
- Draw blood fasting
- Exclude intense physical activity 24 hours before
Medications:
- Hormonal drugs may affect results
- Medication discontinuation by physician agreement
Recommended for:
- Infertility and cycle disorders
- ART program preparation
- Hormonal disorders
- Spermatogenesis disorders
Elevated FSH in women: may indicate menopause, ovarian depletion, or Turner syndrome
Reduced FSH: indicates pituitary insufficiency or secondary amenorrhea
Elevated FSH in men: primary hypogonadism; reduced — secondary hypogonadism
Note: For women, menstrual cycle day must be considered; interpretation should be conducted by specialist.