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: Pediatrics
One of the parents has a balanced translocation between chromosome 15 and 21. What advice will you provide to the couple to prevent a child being born with Down's syndronu 
Select and explain. 
A. Prenatal diagnosis and advice aboion, B. Aificial insemination with donor's sperm, C. Adoption, D. No need to worry as there is no increased risk
A: Prenatal diagnosis and advice aboion
Answer: A: Prenatal diagnosis and advice aboion 
Explanation: Ans. a. Prenatal diagnosis and advice aboion