Women need to take D, vitamin D, probably more important than calcium. They need to exercise, including weight bearing exercise and weights, so that they can preserve their bone. Because as I said ...

The common bone density test is called a DEXA ... And in younger post-menopausal women, you're more likely to see an early change at the spine than you would be at the other sites.

The effect of combined oral contraceptives on bone mineral density is variable, with no effect reported in premenopausal women; however, growing evidence suggests that low-dose combined oral ...