Hormones
Get to know the hormones behind how you feel. Guides to estrogen, progesterone, testosterone, cortisol and others, explaining what each one does, what shifts them, and what your levels can and cannot tell you.
Cortisol, stress and women's health
What the stress hormone cortisol does, how it changes through the day, what high or low levels can mean, and where the cortisol hype misleads.
AMH and fertility: what your level really means
What the AMH blood test measures, what high or low results mean, and why it does not predict your chances of conceiving naturally.
Testosterone in women: what it does and why it matters
Testosterone is not just a male hormone. What it does in women, how levels change with age, and what low or high levels can mean.
Progesterone in women: what it does and how it changes
Progesterone does far more than support pregnancy. What it does across the cycle and life stages, what low progesterone can mean, and how it fits into HRT.
Estrogen in women: what it does and how it changes
Estrogen shapes far more than fertility. What estrogen does across the body, how levels change through life, and what high or low levels can mean.