This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexuality and intersexuality, Subject name: Gynaecology & Obstetrics
[{'content': 'Exposure of a female fetus to androgen in early embryogenesis may arrest differentiation of : \nSelect and explain. \nA. Mullerian, B. Ovary, C. Urogential sinus, D. Mesonephric ducts', 'role': 'user'}, {'content': "Answer: C \nExplanation: Sholy after the tip of para mesonephric ducts reach the urogenital sinus two solid evaginations grow out from the pelvic pa of the sinus.From these evaginations the sinovaginal bulbs proliferates to form the vaginal plates. The androgen exposure may arrest the differentiation of urogenital sinus LANGMAN'S MEDICAL EMBRYOLOGY, Pg no:229,12th edition", 'role': 'assistant'}]