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: Social & Preventive Medicine
Best contraceptive for 22 year old married nulliparous women 
Select and explain. 
A. Condom, B. OCPs, C. Tubectomy, D. Rhythm method
B: OCPs
Answer: B: OCPs 
Explanation: None