This lecture covers the Hysterosalpingography procedure, where contrast material is injected into the uterus and fallopian tubes to assess female infertility. It explains the anatomy of the female reproductive system, including the uterine tubes, ovaries, and ligaments. Additionally, it discusses the peritoneal cavity, its communication with the outside in women, and its role in female fertility. The lecture also touches on the male reproductive system, highlighting differences in the anatomy and the absence of openings to the peritoneal cavity. It concludes with a discussion on peritoneal dialysis, explaining the process, the role of the peritoneum as a semi-permeable membrane, and the equipment used in the procedure.