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Fertil Steril. 2010 Jan;93(1):286-8. doi: 10.1016/j.fertnstert.2009.07.972. Epub 2009 Sep 3.

A short period of ejaculatory abstinence before intrauterine insemination is associated with higher pregnancy rates.

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Division of Reproductive Endocrinology and Infertility, Carolinas Medical Center, Charlotte 28232-2861, USA.


An ejaculatory abstinence period of <or=2 days before IUI produced the highest pregnancy rates per cycle compared with longer intervals of ejaculatory abstinence. This higher conception rate occurred despite a lower total number of motile spermatozoa inseminated.

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