The perimenopause usually occurs around three to five years before the onset of menopause. During this stage women's oestrogen and progesterone levels begin to fluctuate, causing them to experience mood changes, irregular menstrual cycles and other menopausal symptoms, including increased feelings of depression.

Women are 40% more likely to experience depression during the perimenopause
Women are 40% more likely to experience depression in the perimenopause than those who aren’t experiencing any menopausal symptoms, finds a new study.