Intrauterine insemination as a primary viable option to infertile couples: evaluation of patients in a private center.

Objective: This study aimed to identify which parameters positively affect the clinical pregnancy rates of IUI cycles and find which couples should opt for IUI.

Methods: This retrospective observational study included 261 patients submitted to 381 IUI cycles with fresh or cryopreserved partner semen (IU-H) from January 2012 to February 2017 in a private center in Curitiba-PR, Brazil.

Results: Idiopathic infertility was the most frequent finding (35.