This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Magnetic Resonance Imaging, Subject name: Radiology
MRI can be done in: 
Select and explain. 
A. Cardiac pacemaker, B. Insulin pumps, C. Cochlear implants, D. Pregnancy
D: Pregnancy
Answer: D: Pregnancy 
Explanation: MRI is a technique using Non Ionising Radiation and is Safe in pregnancy All other options are contraindications of MRI Contraindications for MRI: All type of metallic implants like 1.Cardiac pacemakers 2.Insulin pump 3.Prosthetic cardiac valve 4.Ocular metallic foreign body 5.Cochlear implant