Clinical Trial / Prospective studies / Humans / Low Dose / Female / Bone Density / Middle Aged / Bone Mineral Density / Bone Loss / X ray Computed Tomography / Estradiol / Bone Density / Middle Aged / Bone Mineral Density / Bone Loss / X ray Computed Tomography / Estradiol
Contraception / Clinical Trial / Latin America / Pregnancy / Humans / Female / Clinical Sciences / Public health systems and services research / Body Weight / Estradiol / Injections / Female / Clinical Sciences / Public health systems and services research / Body Weight / Estradiol / Injections