LIBBY LIBRARY · TOPIC
testosterone
3 articles in this field-note collection.
SHBG blood test: normal range, low and high causes
SHBG holds testosterone and estrogen in your blood. Here's what's normal, what low or high SHBG usually means, and how to read it with free testosterone.
LH blood test: normal levels, high and low causes
LH is your brain's signal to the ovaries and testes. See normal LH by sex and cycle phase, what high or low LH usually means, and how to read it.
Testosterone test: normal levels, low T causes, next steps
What a normal testosterone level is for men and women, the optimal ranges people aim for, the most common causes of low T, and when a result is urgent.