Niels Jørgensen

Niels Jørgensen

1991 …2024

Research activity per year

Personal profile



Male infertility; impaired semen quality; testosterone deficiency; gynaecomastia; idiopathic hypogonadotropic hypogonadism; Congenital Adrenal Hyperplasia; Klinefelter Syndrome


Main research areas

Since 1996 Niels Jørgensen has undertaken and coordinated Danish and international scientific projects focussing on the testicular function of more than 12,000 men from the general populations, selected fertile or infertile men. ). Besides describing the acutal testicular function (semen quality and endocrine function) these studies have also focussed on addressing the impact of exogenous exposures, life style and genetic factors on testicular function.

Current research

Impact of life style, genetic factors and exogenous exposures on testicular function.

Long term concequences of impaired testicular function

Methods for assessment of semen quality.

Treatments of male infertility.


Potential conflicts of interest



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Collaborations and top research areas from the last five years

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