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
In cases of recurrent aboions, most common uterine malformation seen is? 
Select and explain. 
A. Mullerian fusion defects, B. Uterine syncytium, C. Unicornuate uterus, D. Uterine agenesis
A: Mullerian fusion defects
Answer: A: Mullerian fusion defects 
Explanation: Mullerian fusion defects REF: William's 22' ed chapter 9 Abnormal Mullerian duct formation or fusion defects may develop spontaneously or may follow in utero exposure to diethylstilbestrol is the commonest cause of uterine factors leading to recurrent spontaneous aboions.