Health Library topic
Women's Health
Hormone testing, perimenopause, thyroid, and the biomarkers that shift for women through their 30s, 40s, and 50s.
Biomarker guide
Ferritin
Ferritin reflects stored iron — and it is one of the clearest examples of a marker where being technically in range and being adequate are not the same thing.
Article
Blood Tests for Women Over 40
The decade when hormones, thyroid, metabolism, and bone health all begin shifting at once — and the panel that makes those shifts visible.
Article
Perimenopause Blood Tests
Perimenopause can begin a decade before your final period, and hormone levels swing rather than simply fall. Testing well means testing the right markers at the right time.
Article
Thyroid Tests Beyond TSH
TSH is one signal from the pituitary. A complete thyroid assessment measures the hormones themselves, how well they convert, and whether your immune system is involved.