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Pediatrics. Small for gestational age (SGA) newborns are those who are smaller in size than normal for the gestational age. SGA is most commonly defined as a weight below the 10th percentile for the gestational age. [1] SGA predicts susceptibility to hypoglycemia, hypothermia, and polycythemia. [2] By definition, at least 10% of all newborns ...
Small for gestational age infants Lula Olga Lubchenco (1915–2001) was an American pediatrician. Her family moved from Russian Turkestan to South Carolina when she was a small child, and Lubchenco's higher education and career were spent almost entirely in Colorado .
Birth weight chart. There are two ways to determine small for gestational age (SGA) infants. Many research studies agree that SGA babies are those with birth weight or crown-heel length measured at two standard deviations or more below the mean of the infant's gestational age, based on data consisting of a reference population.
The Ballard Maturational Assessment, Ballard Score, or Ballard Scale, is a commonly used technique of gestational age assessment. It was devised by Dr Jeanne L. Ballard, Professor Emeritus of Pediatrics, Obstetrics and Gynecology at the University of Cincinnati College of Medicine. The assessment assigns a score to various criteria, the sum of ...
A low birth weight can be caused either by a preterm birth (low gestational age at birth) or the infant being small for gestational age (slow prenatal growth rate), or a combination of both. [10] Small for gestational age is defined as below the 10th percentile for gestational age and sex. [11]
Fundal height, or McDonald's rule, is a measure of the size of the uterus used to assess fetal growth and development during pregnancy. It is measured from the top of the mother's uterus to the top of the mother's pubic symphysis. Fundal height, when expressed in centimeters, roughly corresponds to gestational age in weeks between 16 and 36 ...
For example, if there is a gestational age based on the beginning of the last menstrual period of 9.0 weeks, and a first-trimester obstetric ultrasonography gives an estimated gestational age of 10.0 weeks (with a 2 SD variability of ±8% of the estimate, thereby giving a variability of ±0.8 weeks), the difference of 1.0 weeks between the ...
Intrauterine growth restriction can result in a baby being small for gestational age (SGA), which is most commonly defined as a weight below the 10th percentile for the gestational age. [8] At the end of pregnancy, it can result in a low birth weight.