Do 20 µg EE OCs Increase Bone
Mineral Density?
n 20 µg EE OCs: significant increases in vertebral
bone density (oligomenorrheic, perimenopausal
women)
n 0.625 mg conjugated equine estrogens (HRT) =
~ 5 µg EE
n 5 µg EE doses: demonstrate bone-sparing
properties
n 20 µg EE OCs: protective benefits are
maintained in perimenopausal women