Like adults babies can be different sizes.
Baby weight in two months.
Most babies double their birth weight at 5 months and treble it at 1 year.
The first 2 months of life were a period of rapid growth.
Between six and 12 months the average growth rate is 70 to 91 grams 2 to three ounces per week.
Babies born at a very low birth weight weigh less than 3 pounds 5 ounces at birth 1 5.
The average weight of a 2 month old baby is 11 3 pounds for girls and 12 3 pound for boys.
The normal weight for a 3 month old baby girl is between 9 7 17 2 pounds while the normal weight for a 3 month old baby boy is between 10 6 18 3 pounds.
Most full term babies weigh between 5 lb 8 oz and 8 lb 13 oz.
Length aka height averages are 22 5 inches for girls and 23 inches for boys according to the world health organization.
Girls at 7 pounds 1 ounce 3 2 kg are a bit smaller than boys at 7 pounds 4 ounces 3 3 kg on arrival.
Your baby will continue to grow at a similar rate gaining about 1 to 1 inches 2 5 to 3 8 centimeters in length and 2 pounds 907 grams in weight this month.
According to the who the average birth weight for male babies born full term is 7 pounds.
While the average length of the baby at birth is about 50 cms 20 inches it rises to 75 cms 30 inches at 1 year i e one and a half times than at birth.
Between three and six months of age the average rate of baby weight gain slows down to between 105 and 147 grams four to five ounces per week.
Your practitioner will let you know if it s time to worry about how big your baby is by full term your baby may end up weighing less than 5 pounds or more than 9.
These are just averages your baby may grow somewhat faster or slower and is likely to have growth spurts.
Don t worry too much if an ultrasound indicates that your baby is much smaller or larger.
Average baby weight and length chart by month in the united states the average baby weighs about 7 pounds 3 ounces 3 3 kg at birth.
If your baby is ill for any period of time she may lose weight but she will regain it once she is well.
If your child s growth rate slows down weight height or head size and she falls below two percentile lines then you should explore the reason for the poor growth.
Your baby s actual length and weight may vary substantially.
For boys the 50th percentile would be about 14 1 pounds.