A Christchurch doctor says she's seeing one patient every day suffering side effects from dodgy hormone treatments.
So called "natural", "bio-identical" treatments have been popularised by celebrity endorsements, including from Oprah Winfrey and Suzanne Somers. But the treatments aren't regulated under Medsafe and can cause significant side effects.
Dr Anna Fenton is New Zealand's representative to the Australasian Menopause Society and co-editor in chief of the journal of the International Menopause Society.
She talks to Kathryn Ryan.