Cord serum immunoglobulin G and M levels and their relationship to race, sex, birth weight, and clinical status are examined. The levels of both immunoglobulins are not related to sex. Negro infants have higher IgG and lower IgM levels than Caucasians. IgG levels and birth weight are associated, smaller infants having lower levels. The previously reported relationship between high levels of IgM and congenital infection is confirmed. In addition, a significant relationship between very low levels and adverse fetal outcome is demonstrated by neurologic abnormalities, severe congenital malformations, and perinatal deaths.
ASJC Scopus subject areas
- Pediatrics, Perinatology, and Child Health