Kim: The only data I have are for age less than 20, from the Ross Mothers' Survey. They were as follows: At hospital discharge: 1987 - 34.8% (compare 49.9% 20-24 yrs; 62.2% 25-29; 67.1% 30-34) 1990 - 30.0% ( " 44.0% " 57.3% " 64.2% " ) 1993 - 36.6% ( " 49.0% " 60.2% " 65.9% " ) 1995 - 42.8% ( " 52.6% " 63.1% " 68.1% " ) At 5-6 months: 1987 - 7.5% ( " 15.5% " 25.6% " 33.0% " ) 1990 - 6.3% ( " 12.1% " 21.2% " 30.0% " ) 1993 - 7.5% ( " 13.9% " 22.6% " 29.4% " ) 1995 - 9.8% ( " 15.8% " 24.7% " 31.1% " ) Hope this helps. Alicia.