Low birth weight is a term used to describe babies who are born weighing less than 5 pounds, 8 ounces (2,500 grams). An average newborn usually weighs about 8 pounds. A low-birth-weight baby may be healthy even though he or she is small. But a low-birth-weight baby can also have many serious health problems. What causes low birth weight?

While some babies born at a low birth weight are healthy, others may need treatment. Here’s how low birth weight is defined and what it means for your baby's development. What is considered low birth weight? What causes low birth weight in a baby? What are the risk factors for a low birth weight baby? How does low birth weight affect infants?

2023年1月29日 · You'll hear this term if your baby weighs less than 2.5kg (5.5lb) when they're born. About seven in 100 babies born in the UK have a low birth weight. If your baby weighs less than 1.5kg, midwives, doctors and nurses describe them as having a very, or extremely, low birth weight. This can happen to babies who are born prematurely.

2011年7月15日 · We had a growth check yesterday and while the results haven't come in yet, my husband saw on the techs screen that baby was 4lbs, 12 oz. With 8 weeks left to go, I'm worried about having a big baby! My first baby was 8lbs, 5oz and full term....

2019年8月30日 · My baby girl was born a week ago, 37 weeks and was 4 lb 15 oz. No NICU time, we are home and she is now 4 lb 9 oz. We go on for weekly weight checks and she’s eating really well...just little. She’s in preemie diapers and clothes. My son was born at 3 lb, came home a month later at 4-13.

2007年12月15日 · They put on roughly half a pound a week in late pregnancy, so 4lb 4oz at 35 weeks suggests a baby heading for just under 7lb a full-term, which is a perfectly respectable size (although, like you, I had a 10lb 5.5oz baby so anything under 8lb always sounds tiny to me).

Fetal weight estimated by prenatal ultrasound is often in grams. This chart converts predicted weight to pounds and ounces. You can also lookup baby weight from pounds to grams

2017年7月28日 · My baby was 4lbs 8oz at 31+1 weeks, which was 85th percentile. Doctor said growth was great but also wants to check again at week 34, if baby goes above 90% we may move my csection up 1-2 weeks.

2011年3月20日 · I had an ultrasound this week, and the doc. said that my baby is estimated at 4lbs. I'm only 29 weeks along! I feel like the lady in the exercise video at 36 weeks looks the same as me!!

2020年3月22日 · All babies look so small so it’s hard to imagine a 4lb baby - please show me pics of your diddy ones ️ ️ ️. I don’t have pics but my cousins children were both born prematurely pre-30 weeks. They could fit in the palm of your hand. They are both very healthy and happy now!