Male Hypogonadism Linked to Ratio of Finger Lengths

Share this article:

The ratio of the second and fourth finger lengths (2D/4D ratio) may predict which men have testosterone deficiency, researchers reported.

A prospective study of 204 men referred for prostate biopsy (mean age 67 years) showed that a low 2D/4D ratio is associated with higher levels of testosterone and with a low prevalence of biochemical hypogonadism (defined as a testosterone level below 346 ng/dL).

The mean 2D/4D ratio in men with testosterone levels above 346 was lower than in men with testosterone levels below 346 (0.97 vs. 0.99), the researchers reported online in BJU International.

For the study, investigators at Hospital Clinic de Barcelona in Spain led by Eduardo Garcia-Cruz, MD, determined 2D/4D ratios using a vernier caliper on subjects' left hand.

Share this article:
You must be a registered member of RUN to post a comment.

More in Hypogonadism

Testosterone Supplements Not Linked to Heart Attacks

Testosterone Supplements Not Linked to Heart Attacks

Finding runs counter to some prior reports; much larger trials are needed, experts say.

Topical Testosterone Gel Approved

Topical Testosterone Gel Approved

In a study, 74% of men treated with Vogelxo achieved normal testosterone levels within 90 days.

FDA Clears First Nasal Testosterone Therapy

FDA Clears First Nasal Testosterone Therapy

The product is self-administered via a nasal applicator.