My baby girl is 3 months old she normally eats 4 oz bottle formula every 4 hours. She weighs 10 lbs 6 oz. She sleeps through the night from 8pm to 6 am. Doctor said her weight is to low for her age and needs to eat 5oz every 3 hours and wake her up at night every 3 hours to sleep. Does her weight seem good to any other moms? How much does your baby weigh at 3 months? She sleeps so good at night I really dont want to mess with her but I dont want her weight to be bad either.