Gonadotropins

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

## Contents

* 1 Overview
* 2 Differential Diagnosis
* 2.1 Increased FSH and LH
* 2.2 Reduced FSH and LH
* 2.3 Reduced FSH/LH Quotient
* 3 References
* 4 Acknowledgements
* 5 Suggested Reading and Key General References
* 6 Suggested Links and Web Resources
* 7 For Patients

## Overview

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* 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

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### Increased FSH and LH

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* 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

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* Anorexia Nervosa
* Hyperprolactinemia
* Progestogen negative amenorrhea
* Traumatic or tumorous damage of the pituitary or the hypothalamus

### Reduced FSH/LH Quotient

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* Hyperandrogenic ovarial insufficiency
* Polycystic ovary syndrome

## References

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## Acknowledgements

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The content on this page was first contributed by Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]

List of contributors:

* * *

## Suggested Reading and Key General References

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## Suggested Links and Web Resources

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## For Patients

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