Final answer:
A 58-year-old postmenopausal woman concerned about osteoporosis should aim for a daily calcium intake of 1000-1200 mg, alongside vitamin D supplementation and weight-bearing exercise. This recommendation takes into consideration her age, menopausal status, and family history of osteoporosis.
Step-by-step explanation:
In the case of a 58-year-old postmenopausal woman concerned about osteoporosis, it is recommended that she should aim to achieve an optimal daily calcium intake that helps maintain bone health and prevent further bone loss. Given her age and postmenopausal status, an adequate intake would be 1000-1200 mg of calcium per day. This aligns with the guidelines which suggest that women over the age of 50 should consume 1200 mg of calcium daily. In her case, additional factors to consider include her family history of osteoporosis and her decision to decline hormone therapy, which may have implications for her overall bone health strategy.
Alongside calcium, vitamin D supplementation and weight-bearing exercise are critical for bone health. Proper nutrition, including adequate intake of calcium and vitamin D, and regular physical activity should begin early in life to maximize bone mass and reduce the risk of developing osteoporosis later in life. However, other interventions to support bone health and minimize fracture risk, such as fall prevention strategies, may also be important considerations for this patient.