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How many ounces should a 3 week old be eating?

I am breastfeeding my 3 week old baby girl, every 2-4 hours, 15 minutes on each breast PLUS 2-3oz of Good Start formula (doctor's orders to start her on formula since she was loosing too much weight being just on breast milk). She was doing good on every 4 hours but just recently she started waking up every 2-2.5 hours and is still wanting the same amount of food!! im worried about her eating too much and when will she start waking up later than every 2 hours?? ..i am SO sleepy..

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Asked by PeruvianMami954 at 10:13 PM on Jun. 15, 2010 in Babies (0-12 months)

Level 2 (9 Credits)
Answers (10)
  • mine at mostly 2-2.5 sometimes 3

    Answer by rileymommy at 10:14 PM on Jun. 15, 2010

  • She is probably going through a growth spurt. But I do know this, the first 2-3 weeks of both my sons lives were the easiest. Then reality set in LOL She sounds pretty normal with the waking every couple hours. After a couple months that time will lessen. My now 8 month old wakes once or sometimes twice a night. But my first son, was a terrible sleeper....he is 22 months and still wakes up once a night sometimes!!! But keep up the hard work. I had to supplement with formula too, so don't get upset over that.

    Answer by 2BlondeBabies at 10:16 PM on Jun. 15, 2010

  • as long as the baby isnt spiting up a lot of it and burps isnt gassy and poos at least 1x in 3 days cuz babys can go without pooing for 3 days then its first son ate about 3-4 ounces at 3 weeks and that was every 3-4 hours my second son ate 4oz every 2-3 hours so it depends on their needs all babys are different

    Answer by Anonymous at 10:18 PM on Jun. 15, 2010

  • ::reply to 2BlondeBabies:: thnx for the info...i hope she gets out of this growth spurt soon if thats wat it is cuz i dont want her to be a fat baby :/ also, yea i was upset about not breastfeeding 100% at first but i got over it already...even though formula fattens them up but at least it keeps them asleep longer ;)

    Answer by PeruvianMami954 at 10:20 PM on Jun. 15, 2010

  • When she is no longer hungry she will stop, if she is hungry don't worry about how much. But all 3 of mine were eating 4 oz ever 3 to 4 hrs.

    Answer by Anonymous at 10:21 PM on Jun. 15, 2010

  • she wont be fat.....babys do get chuncky but it goes away its called baby fat my kids were fat as babys and are skinny boys

    Answer by Anonymous at 10:24 PM on Jun. 15, 2010

  • My son was eating 4oz every 2 to 3 hours of suppressed breastmilk at that agE.

    Answer by carsonsmommytam at 11:00 PM on Jun. 15, 2010

  • That does sound like a lot. What were the babies weights? Birth? Lowest? Last weight before supplementing started? If you have ages to go along with those that would be helpful too.

    Answer by Daynaof3 at 3:40 AM on Jun. 16, 2010

  • she is my first and only baby and at birth she weighed 6lbs 3oz...3 days later she weighed 5lbs 7oz and thats wen they started her formula weeks old she's at almost 7lbs

    Answer by PeruvianMami954 at 2:10 PM on Jun. 16, 2010

  • Are you seeing a lactation consultant? I would highly recommend you see an IBCLC. Also, if you have a pump I would supplement with breast milk instead of formula if supplementation is necessary. Breast milk has at least the same, if not more, calories as formula. The lactation consultant with assess your latch and baby's gain, help you come up with a plan, and can give you a supplemental nursing system for all supplements to be done at the breast and stimulate your supply.
    Here's a url too:

    Answer by Daynaof3 at 9:42 AM on Jun. 18, 2010

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