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
A woman with 20 weeks pregnancy presents with bleeding per vaginum. On speculum examination, the os is open but no products have comes t. The most likely diagnosis is: 
Select and explain. 
A. Incomplete aboion, B. Complete aboion, C. Inevitable aboion, D. Missed aboion
C: Inevitable aboion
Answer: C: Inevitable aboion 
Explanation: Answer- C. Inevitable aboionInevitatrle Aboion:Clinical picture: Bleeding, pain and shockSize of uterus: Equal or lessInternal os: Open with products feltUltrasound: Dead fetus