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
Breathing movements and swallowing movement seen in the fetus by : 
Select and explain. 
A. 13-14 weeks, B. 16 weeks, C. 12 weeks, D. 20 weeks
C: 12 weeks
Answer: C: 12 weeks 
Explanation: 12 weeks