25 to 35 pounds weight gain recommendations recommended pregnancy weight gain American College of OB-GYNs puts out guidelines The Institute of Medicine recommendations American Congress of Obstetricians and Gynecologists evidence-based the Institute of Medicine guidelines gain between 25 and 35 pounds during pregnancy the Institute of Medicine guidelines typical pregnant woman is 25 to 35 pounds stick to current guidelines. Committee Opinion - Weight Gain During Pregnancy Weight gain during pregnancy the recommended weight gain are recommended to gain a bit more American Congress of Obstetricians and Gynecologists American College of OB-GYNs puts out guidelines American College of Obstetricians and Gynocologists those recommendations 25 to 35 pounds American College of Obstetricians and Gynecologists American College of Obstetricians and Gynecologists evidence American College of Obstetricians and Gynecologists 11 to 40 pounds