Does catheter type effect pregnancy rate in intrauterine insemination cycles?

To determine if a soft insemination catheter increases pregnancy rates. Seven hundred forty-seven consecutive intrauterine insemination (IUI) cycles in 364 women in a reproductive endocrinology office between October 1998 and March 2000. Patients with even birth years were inseminated with the Tomca...

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Bibliographic Details
Published in:Journal of assisted reproduction and genetics 2002-02, Vol.19 (2), p.49-52
Main Authors: SMITH, Karen L, GROW, Daniel R, WICZYK, Halina P, O'SHEA, Donna L, ARNY, Margaret
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Catheterization
Female
Fundamental and applied biological sciences. Psychology
Humans
Infertility - etiology
Insemination, Artificial - instrumentation
Male
Mother. Fetoplacental unit. Mammary gland. Milk
Ovulation Induction - methods
Pregnancy
Pregnancy Rate
Pregnancy. Parturition. Lactation
Vertebrates: reproduction
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Summary:To determine if a soft insemination catheter increases pregnancy rates. Seven hundred forty-seven consecutive intrauterine insemination (IUI) cycles in 364 women in a reproductive endocrinology office between October 1998 and March 2000. Patients with even birth years were inseminated with the Tomcat catheter, and those with odd birth year with the Wallace IUI catheter. Clinical pregnancy rates were compared. The Wallace catheter group included 180 women for 372 cycles and an overall pregnancy rate of 16.4%. The Tomcat catheter group included 184 women for 375 cycles and an overall pregnancy rate of 18.1%. This difference is not statistically significant (P = 0.61). Potential confounders were accounted for. When comparing the softer Wallace catheter to the less pliable Tomcat catheter during IUI cycles, there was no significant difference in pregnancy rate when using a standard gentle technique that includes not touching the top of the fundus with the catheter.
ISSN:1058-0468
1573-7330
DOI:10.1023/A:1014414128905