How much estrogen is enough to prevent bone loss?

    How much estrogen is enough to prevent bone loss?

    Experts usually recommend at least 0.625 mg/day of conjugated estrogens (Premarin), estropipate (Ogen), or esterified estrogens (Estratab)...0.5 mg of oral estradiol (Estrace)...or 0.05 mg of transdermal estradiol (Estraderm, etc).

    But lower estrogen doses may also help...especially when combined with calcium to boost the effect.

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