how much weight do newborn babies gain each week?
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Typically, once they're back to their birth weight, new babies gain 4 to 7 ounces a week for the first 4-6 months — that's 1 to 2 pounds a month.
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From birth to age 6 months, a baby might grow 1/2 to 1 inch (about 1.5 to 2.5 centimeters) a month and gain 5 to 7 ounces (about 140 to 200 grams) a week. Expect your baby to double his or her birth weight by about age 5 months.
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Newborns come in a range of healthy sizes. Most babies born between 37 and 40 weeks weigh somewhere between 5 pounds, 8 ounces (2,500 grams) and 8 pounds, 13 ounces (4,000 grams). Newborns who are lighter or heavier than the average baby are usually fine.
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At one week old, your baby has started to gain back the lost weight, and needs 14 to 22 ounces of milk per day.
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Expect your baby to double his or her birth weight by about age 5 months. From ages 6 to 12 months, a baby might grow 3/8 inch (about 1 centimeter) a month and gain 3 to 5 ounces (about 85 to 140 grams) a week. Expect your baby to triple his or her birth weight by about age 1 year.
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Another way to express this rule of thumb is that the average baby takes 2 or 3 ounces of formula each day for every pound of body weight, up to a maximum of 32 ounces. A newborn weighing 7 lbs. will take an average of 14-21 ounces of formula in a day.
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On average, babies need to gain from birth to three months 150-200 grams per week. We generally allow for a two-week time frame after birth for them to regain their birth weight. From three to six months a gain of 100-150 grams per week. From six to 12 months a gain of 70-90 grams per week.
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In the first three months, a baby should gain, on average, 140 to 210 grams (five to 7½ ounces) per week.
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Rapid weight gain In fact, according to the American Pregnancy Association, a fetus weighs around 2 pounds at 27 weeks, 4 to 4 ½ pounds by 32 weeks, and grows up to between 6 ¾ pounds to 10 pounds, if you have a full-term delivery. Your baby will also grow an average of six more inches during the third trimester.
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The fact is, your baby will not wear newborn sizes for long; if your baby weighs 8 lbs or less at birth, you can plan on him wearing newborn sizes for three to four weeks. If your baby is larger than 8 lbs, it will be less.
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On average, babies need to gain from birth to three months 150-200 grams per week. We generally allow for a two-week time frame after birth for them to regain their birth weight.
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During the remainder of your pregnancy, you will grow about a ½ inch (1.25 cm) per week. If you have been watching your weight throughout your pregnancy and have been sticking to a balanced diet, your weight gain should be between 16 and 22 pounds (7.25 to 10 kg).
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At birth, the average baby weighs about 7.5 pounds — though the range of normal is between 5.8 and 10 pounds. Learn more about newborn weight gains and losses. If there's one way in which parents want their babies to be average, it might be when it comes to weight.
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Most babies born between 37 and 40 weeks weigh somewhere between 5 pounds, 8 ounces (2,500 grams) and 8 pounds, 13 ounces (4,000 grams). Newborns who are lighter or heavier than the average baby are usually fine.
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From ages 6 to 12 months, a baby might grow 3/8 inch (about 1 centimeter) a month and gain 3 to 5 ounces (about 85 to 140 grams) a week. Expect your baby to triple his or her birth weight by about age 1 year.
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From now until Baby is 6 months old, she will likely grow an inch a month and gain 5-7 ounces a week. If feeding is going well, your baby will be steadily gaining weight. Baby Should Eat: Breast milk or formula.
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How Much Will My Baby Grow? The first month of life was a period of rapid growth. Your baby will gain about 1 to 1½ inches (2.5 to 3.8 centimeters) in length this month and about 2 more pounds (907 grams) in weight. These are just averages — your baby may grow somewhat faster or slower.