She finally gave up smoking when they decided to grow their family, this was because she had heard it can cause what?\nOptions:\n- pleasure\n- ill-omen\n- birth defects\n- bad breath\n- persistent cough
Let's think now! Step-by-step reasoning:
User
Smoking can cause birth defects. She finally gave up smoking when they decided to grow their family because she had heard that birth defects might be caused due to smoking.
So, the final answer is birth defects.
Assistant