Paula Catarino is a gravida 1 para 0 attending her first prenatal visit. The prenatal nurse's assessment data includes: height, 5 feet, 4 inches; weight, 125 pounds; hemoglobin, 10.5; and last menstrual period, eight weeks ago. Ms. Catarino is concerned with her lack of appetite, nausea, vomiting, and constant fatigue. Ms. Catarino has many questions regarding nutrition and weight gain for the nurse.