IUI fertility treatment is done at a fertility clinic. If you are relying on a sperm donor for the process, the donor sperm will be thawed and prepared. if you are using your partner's sperm, his semen will first be evaluated. The male partner can also use semen from a sterile home collection kit, but should get the semen to the clinic within one hour of collection. It is to be noted that the collected semen is stored in room temperature until it reaches the clinic.
In the clinic, the semen would go through a 'washing' procedure in order to remove all impurities from it, leaving only what is needed to get the female pregnant. The female would have to lie down on her back, just the way for any cervical/ vaginal exam. The doctor uses a speculum to gently open the vagina. The 'washed' semen will then be placed inside the uterus through the catheter. Since the sperm is directly placed inside the uterus, there is no chance of the sperm falling out. However, you’ll remain reclined on the exam table for 10 to 30 minutes following the insemination.