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
Which of these is seen in Asherman syndrome? 
Select and explain. 
A. Oligomenorrhea, B. Hypomenorrhea, C. Metromenorrhagia, D. Polymenorrhea
B: Hypomenorrhea
Answer: B: Hypomenorrhea 
Explanation: Ans: B. Hypomenorrhea(Ref: Shaw's 16/e p250; Novaks 13/e p351)Hypomenorrhea:Seen in Asherman syndromeAsherman's syndrome:More common with secondary amenorrhea or hypomenorrhea.Causes:In patients with risk factors for endometrial or cervical scarring (history of uterine or cervical surgery), infections related to IUD use & severe pelvic inflammatory disease.Found in 39% patients undergoing hysterosalpingography with previous postpaum curettage.Rare cause: Infections (tuberculosis & schistosomiasis).