Intra uterine insemination (IUI) is the process of inserting processed sperms in the uterus near the fallopian tube to assist fertilization IUI is the basic treatment of infertility. It starts with ovulation induction followed by a LH trigger , post which semen sample is collected from the male partner , washed and inseminated in the wife’s uterus. The growth and the rupture of the follicles in monitored on ultrasound. Tubal patency is essential while doing IUI treatment , which are generally checked on X-ray or during a diagnostic laparoscopy.