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: Radiology
Ectopic pregnancy can be ruled out on ultrasound by: 
Select and explain. 
A. Finding foetus in uterus, B. Normal adenexa, C. Uterus size propoional to foetal size, D. Clinical examination
A: Finding foetus in uterus
Answer: A: Finding foetus in uterus 
Explanation: Ans. Finding foetus in uterus