Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Gonadotropins
Introduction
Overview
Overview
- Gonadotropins are the hormones capable of promoting gonadal growth and function
- Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH) are examples of gonadotropins
| Reference Range in Grown-Up Women | |
| Follicle Phase | |
| LH | 1.8-13.4 mU/ml |
| FSH | 3-12 mU/ml |
| Periovulatory Phase | |
| LH | 15.6-78.9 mU/ml |
| FSH | 8-22 mU/ml |
| Luteal Phase | |
| LH | 0.7-19.4 mU/ml |
| Postmenopausal | |
| LH | > 50 mU/ml |
| FSH | 12-30 mU/ml |
| Reference Range in Men | |
| LH | 1.5-9.2 mU/ml |
| FSH | 1-14 mU/ml |
Differential Diagnosis
Differential Diagnosis
Increased FSH and LH
- After radiation therapy
- Chemotherapeutic therapy
- Climacterium praecox
- During menopause or postmenopausal
- Gonadal dysgenesis
- Primely hypogonadism
- Swyer-James Syndrome
- Turner’s Syndrome
Reduced FSH and LH
- Anorexia Nervosa
- Hyperprolactinemia
- Progestogen negative amenorrhea
- Traumatic or tumorous damage of the pituitary or the hypothalamus
Reduced FSH/LH Quotient
- Hyperandrogenic ovarial insufficiency
- Polycystic ovary syndrome
References
References
Acknowledgements
Acknowledgements
List of contributors:
Suggested Reading and Key General References
Suggested Reading and Key General References
Suggested Links and Web Resources
Suggested Links and Web Resources
For Patients
For Patients
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] The content on this page was first contributed by C. Michael Gibson, M.S., M.D. [2]