Final answer:
The schedule of prenatal visits for a low-risk pregnant woman is monthly until 28 weeks, bi-weekly until 36 weeks, then weekly.
Step-by-step explanation:
The schedule of prenatal visits for a low-risk pregnant woman is option a) Monthly until 28 weeks, bi-weekly until 36 weeks, then weekly. This schedule allows healthcare providers to closely monitor the progress of the pregnancy and ensure the mother and baby are healthy throughout. The frequency of visits increases as the pregnancy progresses to ensure any potential issues are detected and addressed in a timely manner.