Final answer:
Regular physical activity during pregnancy lowers the risk of developing complications such as gestational diabetes, excessive weight gain, and pregnancy-related hypertension.
Step-by-step explanation:
Regular physical activity during pregnancy lowers a woman's risk of developing certain complications. It can reduce the risk of gestational diabetes, excessive weight gain, and pregnancy-related hypertension (also known as preeclampsia). Exercise during pregnancy also improves overall health by increasing cardiovascular fitness, muscular strength, and bone density.