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Androgens in Health and Disease.pdf - E Library

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Chapter 21/<strong>Androgens</strong> <strong>and</strong> Male Contraception 415<br />

are, at present, impractical for widespread use. T comb<strong>in</strong>ations with progest<strong>in</strong>s appear<br />

promis<strong>in</strong>g. Ongo<strong>in</strong>g trials with T plus LNG, DSG, CPA, or NETE may offer a usable<br />

option for men, but difficulties <strong>in</strong> T delivery cont<strong>in</strong>ue to h<strong>in</strong>der commercial use. Newer<br />

<strong>and</strong>rogens such as <strong>in</strong>jectable TU <strong>and</strong> MENT may help improve T delivery, avoid<br />

undesirable effects on the prostate, <strong>and</strong> aid <strong>in</strong> the development of a marketable contraceptive<br />

regimen.<br />

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