Final answer:
The recommended total weight gain in a normal weight woman during pregnancy is 25-35 pounds. Weight gain of approximately 0.45 kg (1 lb) per month is common in the first trimester, and approximately 0.45 kg (1 lb) per week in the second and third trimesters.
Step-by-step explanation:
The recommended total weight gain in a normal weight woman during pregnancy is 25-35 pounds. During the first trimester, weight gain of approximately 0.45 kg (1 lb) per month is common. In the second and third trimesters, most women gain approximately 0.45 kg (1 lb) per week. It is important to note that each pregnancy is unique, and weight gain can vary.