Types

• FSH stimulates the maturation of ovarian follicles. It is secreted by the anterior pituitary in response to gonadotropin - releasing hormone (GnRH) secreted by the hypothalamus. It is a glycoprotein hormone. In both males and females, FSH secretion is regulated by a balance of positive and negative feedback mechanisms involving the Hypothal...

Description

Males : 

• 1.4 - 18.1 mIU/ml

Females : 

• Follicular phase : 2.5 – 10.2 mIU/ml
• Mid Cycle peak : 3.4 - 33.4 mIU/ml
• Luteal Phase : 1.5 – 9.1 mIU/ml
• Pregnant : <0.3 mIU/ml
• Post menopause : 23 – 116.3 mIU/ml

Paediatric Normal range :

• 4weeks - 1 year : 0.16 – 4.1 (M)
• 4 weeks – 1 year : 0.24 -14.2 (F)
• 2- 8 years : 0.26 - 3.0 (M)
• 2- 8 years : 1.0 - 4.2 (F)

When to get Tested

Elevated Level

• Menopause
• Primary ovarian hypofunction in females
• Primary hypogonadism in males
• Anorchidism
• Gonadal failure
• Klinefelters syndrome
• Castration

Decreased Level

• Primary ovarian hyper function in females
• Primary hypergonadism in males
• In pituitary and hypothalamic failure
• PCOS