Declining estrogen levels lead to depression.
"It's starting to lead to depression. That is estrogen leaving the building." (said at 1:10:46)
The transition to menopause (perimenopause) involves marked fluctuations and eventual decline in ovarian estradiol production, which is well-documented to increase the risk of new-onset or recurrent depressive episodes and mood disturbances. Estradiol exerts neuromodulatory effects on central serotonergic and dopaminergic signaling, neuroimmune function, and cerebral metabolism. However, stating broadly that declining estrogen directly 'leads to depression' requires qualification: estrogen withdrawal and erratic hormonal fluctuations act as neurobiological vulnerability factors that significantly elevate depressive risk in susceptible individuals, rather than deterministically causing clinical depression in all women.
- supports: The Impact of Estradiol Dynamics During the Menopause Transition on Depression Risk: A Nar… (Biological psychiatry 2026)
"Explorations into the pathophysiology of depression risk during MT have focused largely on the role of estrogen dynamics, specifically estradiol (E2), the most neuroactive form of estrogen, and whether changes in E2 across MT impact brain health. In this narrative review, we describe how E2 dynamics across MT modulate neurobiological processes to confer risk for depressive symptoms and perimenopausal-onset major depressive episode (PO-MDE)." (abstract, passage verified)
pubmedfull study (doi) - context: FIGO best practice recommendations for the mental health of women at menopausal age. (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2026)
"Symptoms of anxiety and depression are prevalent during the perimenopause... Treatment should be individualized and may include lifestyle changes, cognitive-behavioral therapy, and hormone therapy. Transdermal estradiol is preferred for managing mood swings, particularly in women with metabolic risks." (abstract)
pubmedfull study (doi)