Effectiveness of intrauterine insemination in subfertile couples with an isolated cervical factor: a randomized clinical trial
After randomization of subfertile couples with an isolated cervical factor to intrauterine insemination for 6 months or expectant management for 6 months, 26 women (51%) vs. 16 women (33%) conceived, respectively. Of these pregnancies, 22 (43%) vs. 13 (27%) were ongoing (relative risk, 1.6; 95% confidence interval, 0.91 to 2.8). There was one multiple pregnancy in the group that was allocated to intrauterine insemination. This trial suggests a beneficial effect of IUI in couples with an isolated cervical factor.
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This randomized controlled trial is registered in the Dutch Trial Register and as an International Standard Randomized Clinical Trial (ISRCTN63217062).
Supported by grant 945-12-002 from ZonMw, the Netherlands Organization for Health Research and Development, the Hague, the Netherlands.
Presented orally at the Conjoint Annual Meeting of the American Society for Reproductive Medicine and the Canadian Fertility and Andrology Society, ASRM/CFAS 2005 Montreal, Quebec, Canada, October 15–19, 2005.
PII: S0015-0282(07)00238-5
doi:10.1016/j.fertnstert.2007.01.124
© 2007 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

