This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Heamatocolpos is seen in: September 2005 
Select and explain. 
A. Septate uterus, B. Bicornuate uterus, C. Unicornuate uterus, D. Imperforate hymen
D: Imperforate hymen
Answer: D: Imperforate hymen 
Explanation: Ans. D: Imperforate Hymen Hematocolpos is a medical condition in which the vagina fills with menstrual blood. It is often caused by the combination of menstruation with an imperforate hymen. A related disorder is Hematometria, where the uterus fills with (menstrual) blood. This can be caused by a congenital stenosis of the cervix, or by a complication of a surgical treatment,