The nurse is teaching a client, gravida 1 para 0, at 8 weeks gestation about expected

The nurse is teaching a client, gravida 1 para 0, at 8 weeks gestation about expected weight gain in pregnancy. the client's prepregnancy bmi is 21 kg/m2. which statement made by the client indicates an understanding about weight gain?
1. "i should gain 10-15 lb during the first trimester"
2. "i should gain a total of about 30 lb during my pregnancy."
3. "i should gain no more than 0.5 lb per week during the third trimester."
4. "if i gain < 20 lb during pregnancy, it will be easier to lose weight postpartum."