This site complies with the HONcode standard for trustworthy health information: verify here. This content does not have an English version. This content does not have an Arabic version. See more conditions. Request Appointment. Healthy Lifestyle Infant and toddler health. Products and services. How much should I expect my baby to grow in the first year?
Answer From Jay L. With Jay L. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information. Please try again. Something went wrong on our side, please try again. Show references Growth charts. Centers for Disease Control and Prevention.
Accessed July 26, Kliegman RM, et al. The first year. In: Nelson Textbook of Pediatrics. The following chart lists the average lengths 50th percentile for male and female babies from birth to 12 months. This compiled data is from the World Health Organization. If your newborn baby is in the 50th middle percentile, that means 50 percent of newborn babies measure shorter than your baby, and 50 percent of newborn babies measure longer.
On average , babies grow 0. Your doctor will measure and weigh your baby at routine checkups and mark their progress on a standard growth chart. Your baby may grow more growth spurts or less during some periods. For example, infants tend to go through growth spurts at:. Your baby may be very fussy during a growth spurt and want to feed more.
A growth spurt can last up to a week at a time. Premature babies are measured and weighed regularly, just as full-term babies are. For example, if your baby is 16 weeks old, but was born 4 weeks early, your pediatrician will subtract 4 weeks. Their adjusted age will be 12 weeks. Your baby should be meeting week growth and developmental milestones. Your pediatrician will measure your baby for length at each appointment. This is an important measurement, but your doctor will likely be most concerned that your baby is gaining weight each month.
Infants should double their birth weight by age 5 months, and triple their birth weight by one year. Learn more about the average weight for male and female babies by month. Remember, babies go through growth spurts.
If your child fails to grow or their growth has slowed during their first year, your doctor may refer you to a specialist. An endocrinologist may take blood tests, X-rays, or body or brain scans to determine why your baby has stopped growing. A new growth chart for preterm babies: Babson and Benda's chart updated with recent data and a new format.
BMC Pediatrics. Gardosi J et al. Customized growth charts: rationale, validation and clinical benefits. Hadlock FP et al. Estimating fetal age: Computer-assisted analysis of multiple fetal growth parameters. Fetal crown rump length: Reevaluation of relation to menstrual age weeks with high resolution real-time. US Radiology 2 Hadlock FP, et al. In utero analysis of fetal growth: a sonographic weight standard. Radiology 1 Kiserud T et al. The World Health Organization fetal growth charts: A multinational longitudinal study of ultrasound biometric measurements and estimated fetal weight.
PLoS Medicine 14 1 : e Martins JG et al. Practice Guideline. Nicolaides KH. Et al. Fetal medicine foundation fetal and neonatal population weight charts. Join now to personalize. Photo credit: Thinkstock.
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