From early in pregnancy, babies grow at different rates, so these numbers are merely averages. Your baby's actual length and weight may vary substantially. Fetal Growth Chart. (crown to rump measurements). Gestational Age, Length (inches), Weight (oz/lb), Length (cm), Mass (g). 8 weeks, 0.63, 0.04 oz, 1.6, 1. The average baby weighs 3.5kg (7.6lb), and is about 51.2cm (20.2in) long from head to heel. But how big is your baby right now? We've put together this simple chart to tell you the length and weight of an average baby from eight weeks of pregnancy, through to birth. Fetal Weight Chart is the best way to tell if your baby's growing healthily. . Learning the height and weight of your baby, both before birth and after birth, . 9 ต.ค. 2560 - The numbers are only averages, and the actual weight and length of the foetus may vary significantly. The doctor will be concerned only if the baby weighs two weeks less or more than what he should weigh during a particular pregnancy week. These are general guidelines and the baby's weight may not be an exact match. 21 ก.พ. 2561 - Average fetal length and weight chart Baby Girl Weight Chart, Baby Chart PRINTABLE How Big Is Our Baby Chalkboard-Baby Size Week By . Fetus Size Your baby is about the size of a head of broccoli during week 26. LENGTH: 13.98 in / 35.5 cm. WEIGHT: 1.60 lb / 725.7 g. Fetus Image Week 26 >> . Embryo Size Your baby is about the size of a poppy seed during week 3. LENGTH: 0.03 in / 0.08 cm. WEIGHT: 0.002 oz / 0.06 g. Embryo Image Week 3 >> . Using this chart to track weight and length of your baby can help you put your mind at ease and know that everything is going well.