This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
A pregnant female presents with pain in abdomen on examination, tenderness is found in right lumbar region. TLC is 12,000/cu mm, and urine examination is normal, for diagnosis further test done is: 
Select and explain. 
A. Chest X-ray with abdominal shield, B. Ultrasound abdomen, C. Noncontrast CT abdomen, D. Laparoscopy
B: Ultrasound abdomen
Answer: B: Ultrasound abdomen 
Explanation: Ans. (b) Ultrasound abdomenAppendicitis in pregnancy:* Most common nonobstetric surgical disease of abdomen in pregnancy* There is no increased risk of appendicitis in pregnancy* Fetal mortality is the risk in appendicitis which may be nearly 50% if the appendix perforates* USG is the IOC* Laparoscopic early appendectomy is treatment of choice