Why babies lose weight
A 5% weight loss is considered normal for a formula-fed newborn. For more information, see the WHO Growth Charts for Infant Boys and the WHO Growth Charts for Infant Girls. If the baby was 8 pounds when he was born, why is he only 7 pounds 10 ounces when he leaves the hospital. Newborns are often weighed throughout their stay in the hospital and sometimes again 48-72 hours after discharge. A newborn who is formula fed usually loses about 5 percent of his birth weight in the first few days of life, advises the American Pregnancy Association. It is expected that newborns will lose some weight in the first 5-7 days of life. At 4 months, weight gain will begin to look different for breastfed and formula fed babies. Many babies will have doubled their birth weight by about 3-4 months. Research clearly shows that breastfed babies and formula fed babies grow at different rates starting at about 4 months of age. Babies can be born outside of the average guidelines and still be completely healthy. Getting Back to Birth Weight The American Pregnancy Association reports that most newborns will have gained enough weight to be back by their birth weight by 10 to 14 days old. If your child is getting significantly more or less than this number, talk to his pediatrician.
A 7-10% loss is considered normal for breastfed babies. How to Tell If a Baby Is Getting Enough Nutrition By the time a newborn is a week old, he should be having a fairly large number of diaper changes per day. Most newborns will gain about 5-7 oz a week for the first few months. On average, a newborn will have around five to seven wet diapers each day and will have a bowel movement three or four times a day. Over the next few days, as the baby regulates his own fluids, she loses weight. For breastfed infants, this number is slightly higher. A breastfed newborn may lose 7 to 10 percent of her birth weight in the beginning days of life. The Average Weight Gain Per Month for Newborn Babies The Normal Weight Ranges for Infants Parents of newborns have so many things to worry about -- is the baby the right size. One of the things new parents often wonder about is weight loss after birth. According to research published in the International Breastfeeding Journal, another cause may be if the mother received IV fluids during labor, as the increased fluids can make the baby over-hydrated and give a somewhat inaccurate birth weight. Most babies who are born full term (38-40 weeks gestation) weigh between 6-9 lbs. Most babies should regain this lost weight by days 10-14 of life. If a baby loses a significant amount of weight, is sick, or is premature, it may take up to 3 weeks to get back to his or her birth weight.
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Why babies lose weight
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