Factors associated with pregnancy in patients undergoing intrauterine insemination at the Dr. Adolfo Carit Eva Women’s Hospital, Costa Rica, January 2009 to December 2015.

Abstract

Introduction: Intrauterine insemination is a procedure of low complexity in assisted reproduction that has been used for more than a century as a treatment in infertility and consists of the deposit of sperm in the uterus, after training, in order to achieve pregnancy. The general objective was to identify the factors associated with pregnancy in patients undergoing homologous intrauterine insemination at the Dr. Adolfo Carit Eva Women's Hospital. 

Methodology: A case and control study was carried out defining as a case that patient with a diagnosis of clinical pregnancy after being subjected to intrauterine insemination and as a control to all patients who have undergone three cycles of intrauterine insemination without achieving pregnancy. The prognostic factors evaluated were: maternal age, body mass index, period of infertility elapsed, mobile sperm count and number of follicles greater than 16mm prior to the application of chorionic gonadotropin hormone. 

Results: There were no significant differences between the cases and controls in the mean age (p 0.22), the evaluation of the body mass index (p 0.18) and the other factors evaluated; The average period of infertility showed an average time of 36.7 months for the case group and 49.7 months within the control group (p 0.01), being statistically significant. 

Conclusions: only the elapsed period of infertility is a prognostic factor for the success of intrauterine insemination.