pOver the last 25 years, the advances in ultrasound have paralleled advances in Assisted Reproductive Technology ART. ART could not even be practiced or considered today without imaging. Ultrasound has become the most important and widely used tool in the diagnosis and treatment of infertility. Ultrasound evaluation is one of the first steps to assess the cause of infertility the three areas of evaluation are the ovaries, uterus, and fallopian tubes. Ultrasound allows physicians to diagnose ovarian reserve but also pathologies such as polycystic ovarian syndrome, endometriosis, or other ovarian cysts that can impact fertility. The results of this initial exam immediately affect the decisions in the management of the patient's condition. When fertility treatments begin, ultrasound is used in almost any interaction with the patient in order to monitor follicular development and endometrial response ultrasound guidance is also vital for embryo retrieval and transfer ET.ppiUltrasound Imagi