Endocrine Abstracts

Background: Patients with complete androgen insensitivity syndrome (CAIS) who undergo gonadectomy have evidence of reduced bone mineral density (BMD) and perhaps, higher risk of fragility fractures. Because of this, hormonal replacement therapy (HRT), usually in the form of estrogen, is used as patients with CAIS have 46, XY genotypes having androgen receptor abnormalities making them resistant to the effects of androgen. Tibolone, a “selective tissue estrogenic activity...