Formula-fed babies generally need to eat every three to four hours and usually eat about 2-3 ounces of formula per feeding. During the first few weeks, if Baby does not wake himself up in the ... Babble.com brings you the baby feeding chart with how much formula to feed your baby and when to switch to solid foods. ... while a four-month-old who weighs 14 lbs will require between 28-32 ounces. Dec 08, 2015 · Feeding Your 12 Week Old Baby Your 12 week old baby is very efficient at feeding now and will sometimes finish a feed in only 5-10 minutes. You might start to notice some early distractibility during feeds and can expect this to increase, peaking around 4 months. Your Baby Is 12 Weeks Old! Motherhood can make you feel totally lost one minute (what does that cry mean?) and like an old pro on the next ("The Wheels on the Bus" helps her fall asleep every time). And, with the 12-week limit for most maternity leaves almost here, it's only natural for these feelings to intensify. Formula feeding to new born babies: Hi,My son is 4 weeks new born baby. We are feeding him top milk Nestle Nan Pro 1 milk (Mother's milk due to certain issue is ruled out).Will formula feed help my son grow normally and healthy?What should be his weight post a month or 45 days of birth.