In those with symptoms and clinical signs of rheumatoid arthritis, the presence of significant concentrations of RF indicates that it is likely that they have RA. Higher levels of RF generally correlate with more severe disease and a poorer prognosis. A negative RF test does not rule out RA.
Macrosomia (big baby). The average newborn weight is about 3.4 kilograms (kg) / 7 pounds (lb) 8 ounces (oz). Babies weighing more than 4.5kg/ 9lb 15oz at birth are considered much larger than average or macrosomic, which literally means of large body.It's very difficult to determine whether a baby is truly macrosomic while still in the uterus (womb) - only the post-birth weight confirms this.abies weighing more than 4.5kg/ 9lb 15oz at birth are considered much larger than average or macrosomic, which literally means of large body. It's very difficult to determine whether a baby is truly macrosomic while still in the uterus (womb) - only the post-birth weight confirms this.
Most babies born at 40 weeks gestation weigh an average of 7.63 pounds, according to BabyCenter.com. A baby who isn't born until 41 weeks gestation weighs an average of 7.93 pounds, and one who makes it to 42 weeks gestation weighs an average of 8.12 pounds. A baby born at 38 weeks, on the other hand, weighs an average of 6.8 pounds, BabyCenter.com notes.