21. It is also key in development of renal and urogenital systems and is required for normal organogenesis. 22. Studies have shown that phthalates are anti-androgens that can be linked to urogenital malformation in males. 23. The female reproductive system is composed of two embryological segments : the urogenital sinus and the paramesonephric ducts. 24. Up to 40 % of women with a urogenital tract anomaly also have an associated renal tract anomaly. 25. A study on a male pseudohermaphrodite kitten showed there was a combination of gastrointestinal and urogenital congenital abnormalities. 26. Females have an external clitoris and a urogenital sinus, which acts as both a urethra and vagina. 27. "Every woman is going to have urogenital atrophy if she's not on hormones," 28. Both sexes possess a cloaca, which is connected to a urogenital sac used to store waste before expulsion. 29. Embryologically, the bladder is derived from the urogenital sinus, and it is initially continuous with the allantois. 30. The most important aspects of virilization ( urogenital closure and phallic urethra ) occur between 8 and 12 weeks.
