41.   The Environmental Protection Agency also says other studies show that these chemicals can cause low birth weights and can compromise immune systems.

42.   The rise in multiple births means a change for health workers gauging and fighting low birth weights.

43.   The report takes into account factors such as low birth weight rates, poverty levels, achievement test scores and high school dropout figures.

44.   Their babies will generally have chronic health problems because of low birth weight and a lack of prenatal care.

45.   Those few women who have the auto-immune disease and do give birth often have babies with low birth weights.

46.   Until recently, most health professionals believed that inadequate prenatal care was the most important cause of low birth weight and infant mortality.

47.   A low birth weight, the report said, can reduce IQ by five points.

48.   Because of inadequate diet of mothers, one-third to half the children born are of low birth weight, UNICEF says.

49.   He said the biggest problem the sextuplets must overcome is low birth weight.

50.   However, these factors do not entirely explain why low birth weight is a larger problem among blacks than among whites.