“…In this case, the AI catheter is passed through the cervical canal but then transrectally guided to the apex of the ipsilateral to uterine horn ipsilateral to the ovary with the preovulatory follicle (POF), allowing reduction of the insemination dose (Samper 2001, Sieme et al 2004, Katila 2005, Lyle and Ferrer 2005, McCue 2012. With these approach a semen dose of 100 ×10 6 PMS per insemination is used (Xavier et al 2009), the minimum quantity being 50 ×10 6 (Householder et al, 1981). Another approach is AI by hysteroscopy, where deposition of semen is performed at the junction of the uterustubal papilla (Blinsko et al 2003, Sieme et al 2004, Hayden et al 2012.…”