Eat nutritious meals, I hope this helped.
Ask your health care provider how much weight you should gain. A woman who was average weight before getting pregnant should gain 25 to 35 pounds<span> after becoming pregnant. Underweight women should gain </span>28 to 40 pounds<span>. And overweight women may need to gain only </span>15 to 25 pounds<span> during pregnancy</span>
This might not be detailed enough but she can have a healthy diet and workout to keep her skinny and fit while also being healthy. I hope this helps but u might have to add more detail to your answer than what i put.
I would say circulation and skin integrity