The gonadotropins are peptide hormones that regulate ovarian and testicular function and are essential for normal growth, sexual development and reproduction. The human gonadotropins include follicle stimulating hormone and luteinizing hormone which are made in the pituitary, and chorionic gonadotropin which is made by the placenta.

Follicle-Stimulating Hormone (FSH)

Optimal range: 4.7 - 21.5 IU/L

Follicle stimulating hormone (FSH) is a pituitary hormone that regulates growth, sexual development and reproduction, including menstruation, follicular development and ovulation.

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Luteinizing Hormone (LH)

Optimal range: 5 - 25 IU/L

Luteinizing hormone (LH) is a pituitary hormone that is essential for sexual development and reproduction in both men and women. 

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Optimal range: 102 - 496 mU/L