A healthy result should fall into the range 0 - 1.7 nmol/L.
Testosterone is a male sex hormone or androgen. It is generally low in women and children, but it can be elevated in certain diseases. A certain level of testosterone is important for development and maturation in both genders. Testosterone is produced in the testes and to a lesser degree in the ovaries. Testosterone (Female/Child) measures total testosterone in the blood. It is expressed as ng/dL. Testosterone levels in young males tend to be about 50% higher in the early morning than in the evening. Androgen status should be assessed on more than one occasion with more than one measurement.
Normal Ranges for total testosterone in women and children:
0-5 months: 75-400 ng/dL
6 months-9 years: <7-20 ng/dL
10-11 years: <7-130 ng/dL
12-13 years: <7-800 ng/dL
14 years: <7-1,200 ng/dL
15-16 years: 100-1,200 ng/dL
17-18 years: 300-1,200 ng/dL
0-5 months: 20-80 ng/dL
6 months-9 years: <7-20 ng/dL
10-11 years: <7-44 ng/dL
12-16 years: <7-75 ng/dL
17-18 years: 20-75 ng/dL
> or =19 years: 8-60 ng/dL
Boys with low testosterone may fail to develop secondary sex characteristics such as deepened voice, pubic hair, and facial hair. They may also be infertile. Low testosterone in women interferes with fertility and sexual function. Low testosterone usually does not cause any noticeable symptoms in prepubescent and adolescent girls.
Some specific causes of low testosterone are:
A high free androgen index value indicates that there is too much biologically active testosterone in the blood. Men with too much testosterone may be overly aggressive, develop cystic acne, and have increased body hair. In general, however, adult men may not notice symptoms of too much testosterone. Women with high testosterone develop many noticeable symptoms and signs such as unusual hair growth, obesity, hoarseness, and menstrual irregularities. Children with high testosterone may develop precocious puberty.
Some specific causes of high testosterone levels are:
$15 per monthSelect this plan
$59 per yearSelect this plan
$250 single paymentSelect this plan
Health is not exactly rocket science. You just have to know what your body needs and doesn't need. Your medical tests contain that information. Upload them to our service and we’ll help you understand organize, and act on them.Get Started
"I was really concerned about my lab results and my GP was not able to see me for another week. Through HealthMatters I was able to interpret my results instantly."
"I've been keeping all my lab results in a spreadsheet, covering approximately 20 years. The HealthMatters team helped me upload that info into the cloud. I can show this data to my family and doctors now easily."
"I had no idea what my lab results meant. Here I found all the biomarkers that I was looking for online. Finally, I have not only organized them all neatly in one place, but I am also grateful to be able to understand what they mean."