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 Kittenâs Weight. The average weight for a newborn kitten is 3.5 ounces, or 99 grams -- larger breeds weigh slightly more and individuals of larger litters weigh slightly less.Kittens of less than 3.2 ounces at birth, or less than 90 grams, have a greater than 50 percent rate of mortality.verage Newborn Kittenâs Weight. The average weight for a newborn kitten is 3.5 ounces, or 99 grams -- larger breeds weigh slightly more and individuals of larger litters weigh slightly less.