What are the effects of menopause on bone health?

Depends. Menopause hormonally means a cessation in estrogen production. Estrogen is essential to the maintenance of bone mineralization. Without hormone replacement bone loss occurs. A large part of total menopausal loss happens in the first 2 hrs of absent hormone. Important to seek hormone treatment early to preserve bone health and many other body systems.
Menopausal bone loss. Generally after menopause women start losing bone at a more rapid rate than before. It is important to address this issue and try to prevent osteopenia and osteoporosis from occuring.