A nurse is teaching a pregnant woman who has gestational diabetes about the benefits of exercise during pregnancy.

The nurse should explain that exercise can help the woman by doing which of the following?

The correct answer is choice D. 2400 calories.A pregnant woman with gestational diabetes should consume about 2400 calories per day during the third trimester of pregnancy.This is based on the average energy requirement for a pregnant woman, which is about 2200 calories per day plus 200 calories for the baby’s growth.

A woman who is overweight before pregnancy may need fewer calories than this.

Choice A. 1800 calories is wrong because it is too low for a pregnant woman with gestational diabetes.Eating too few calories can cause ketones to build up in the blood, which can harm the baby.

Choice B. 2000 calories is wrong because it is also too low for a pregnant woman with gestational diabetes.It may not provide enough energy and nutrients for the mother and the baby.

Choice C. 2200 calories is wrong because it is the average energy requirement for a pregnant woman without gestational diabetes.A woman with gestational diabetes needs an extra 200 calories per day to support the baby’s growth and development.

The correct answer is choice D.Exercise can help the woman by enhancing her insulin sensitivity and glucose utilization.

This means that her body can use the glucose in her blood more efficiently and lower her blood sugar levels.Exercise can also help prevent excess weight gain, which is a risk factor for gestational diabetes.

Choice A is wrong because exercise does not increase appetite and caloric intake, but rather helps regulate them.

Choice B is wrong because exercise does not lower blood pressure and heart rate, but rather increases them temporarily during physical activity.Choice C is wrong because exercise does not reduce the risk of preterm labor and delivery, but rather may increase it if done excessively or without proper supervision.