Live birth is the correct outcome for clinical trials evaluating therapy for the infertile couple

Outcomes of clinical trials for fertility treatments are often ambiguous and confusing. The preferred outcome in infertility trials is live births per woman (or couple).

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Authors

Kurt Barnhart, M.D., M.S.C.E.

Volume 101, Issue 5, Pages 1205–1208

Abstract

Well-designed and -conducted clinical trials are needed to further advance the field for reproductive medicine. However, current reporting of outcomes of trials is ambiguous and disparate. In this review it is offered that the preferred outcome for clinical trials in reproductive medicine should be live birth. Multiple births should be listed, and it should be specified whether this is multiple births per couple or multiple births per conception. The unit of measure should be women (or couples) and not cycles. The duration of exposure should also be clearly identified (i.e., treatment was one cycle, a prespecified number of cycles, or a period of time). Pregnancy loss should be specified, and the denominator should be those who conceived. Although live birth is the primary outcome, complications should be defined and reported, including multiple births and other objective markers, such as preterm delivery, small-for-gestational age, or stillbirth.

Read the full text at: http://www.fertstert.org/article/S0015-0282(14)00267-2/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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