Klinefelter Syndrome: An Argument for Early Aggressive Hormonal and Fertility Management

The impact of early hormone therapy on fertility outcomes in patients with Klinefelter syndrome is not well understood. Semen or testicular tissue cryopreservation should be considered in affected adolescents to maximize future fertility potential.

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Authors

Akanksha Mehta, M.D. and Darius A Paduch, M.D., Ph.D.

Vol 98, Issue 2, Pages 274-283

Abstract

The authors investigate the impact of early hormone replacement therapy on sperm retrieval rates in patients with Klinefelter syndrome (KS). Their systematic review of the relevant literature showed that there are no randomized controlled trials evaluating the impact of hormone replacement therapy on sperm retrieval or reproductive outcomes in men with KS. On average, surgical sperm retrieval rates in men with KS are around 51%, with a range of 28-69%. Young patient age is the most consistent positive predictors of sperm retrieval. Lower retrieval rates have been reported in a small subset of KS adults who previously received exogenous testosterone, although the nature, duration, and reason for such therapy in these patients subset is unknown.

Early hormone therapy is recommended in KS patients, but its effect on fertility potential has not been definitively studied. Larger studies are needed to better answer this question. Cryopreservation of sperm-containing semen or testicular tissue from a significant proportion of affected adolescents is possible, even when containing very low numbers of spermatozoa, and should be considered in order to maximize future fertility potential.

Read the full text at: http://www.fertstert.org/article/S0015-0282(12)00607-3/fulltext


Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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