# What do hospitals weigh babies?

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## How much do babies have to weigh to come home from the hospital?

Some hospitals have a rule on how much the baby must weigh before going home, but this is becoming less common. In general, babies are at least 4 pounds (2 kilograms) before they are ready to come out of the incubator.

## How often are newborns weighed in the hospital?

Newborns are often weighed throughout their stay in the hospital and sometimes again 48-72 hours after discharge. Newborns are then weighed a week after birth and sometimes again at two weeks after birth. If a baby has any health concerns, weight checks may be scheduled more frequently.

## How is birth weight calculated?

Birth weight (g) = gestational age (days) x (9.38 + 0.264 x fetal sex + 0.000233 x maternal height [cm] x maternal weight at 26.0 weeks [kg] + 4.62 x 3rd-trimester maternal weight gain rate [kg/d]] x [number of previous births + 1]).

## What measurements are taken at birth?

The average newborn’s head measures 13 3/4 in (35 cm) Generally, a newborn’s head is about half the baby’s body length in cm plus 10 cm. So a baby that is 18 inches long would be 45.7 centimeters (18 x 2.54). His or her head would be about 32.9 cm or a little under 13 inches.

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## Can a 5 pound baby go home?

Babies weighing less than 3 pounds, 5 ounces (1,500 grams) at birth are considered very low birth weight. Low birth weight is most often caused by premature birth. Nearly all low-birth-weight babies need special care in the neonatal intensive care unit (NICU) until they gain weight and are well enough to go home.

## Can a 37 week baby go home?

Healthy, full-term babies (at least 37 weeks gestation) can usually go home from the hospital sometime between 24 and 48 hours after birth. Some late preterm babies (born between 34 and 36 weeks gestation) may be healthy enough to go home after a short stay (at least 48 hours) as well.

## What is the average weight of a baby at birth?

The average birth weight for babies is around 3.5 kg (7.5 lb), although between 2.5 kg (5.5 lb) and 4.5 kg (10 lb) is considered normal. In general: Boys are usually a little heavier than girls. First babies are usually lighter than later siblings.

## How much weight do you lose after giving birth?

Most women lose about 13 pounds (5.9 kilograms) during childbirth, including the weight of the baby, placenta and amniotic fluid. During the first week after delivery, you’ll lose additional weight as you shed retained fluids — but the fat stored during pregnancy won’t disappear on its own.

## How can I weigh my baby without a scale?

Postal and kitchen scales can be very accurate!

If you have one, you can put a large bowl with a towel in it onto the scale. “Tare,” or “zero out,” the bowl and towel and then place your baby inside of the bowl to see what your baby weighs.

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## How can you tell how big your baby will be?

Doctors determine their estimate of fetal size based on how big your belly measures. If it measures large for dates, they figure it’s going to be a big one. Other reasons for measuring large are extra amniotic fluid or abdominal fat. Ultrasounds are better indicators of fetal size, but they’re frequently way off.