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.
Average Newborn Weight Range. If your newborn weighs between 5.5 and 10 pounds at birth, she's within the average range of weight. According to Heidi Murkoff, author of the bestselling pregnancy book What to Expect When You're Expecting, 95 percent of newborn babies fall into this range. The average baby weighs 7.5 pounds. If a baby is born who weighs less or more than the average weight range, she may receive a little extra attention from medical staff to make sure she has no health problems.