TABLE A8. LIVE BIRTHS AND PERCENTAGE DISTRIBUTION, BY WHETHER MOTHER RECEIVED PRENATAL CARE, TIME DURING PREGNANCY CARE BEGAN, AND RACE OF MOTHER MISSISSIPPI, 1998 NUMBER PERCENT PRENATAL CARE AND NON- NON- TIME CARE BEGAN TOTAL WHITE WHITE TOTAL WHITE WHITE TOTAL 42,917 22,950 19,967 100.0 100.0 100.0 NO PRENATAL CARE 505 98 407 1.2 0.4 2.0 SOME PRENATAL CARE 42,207 22,772 19,435 98.3 99.2 97.3 FIRST TRIMESTER 34,388 20,412 13,976 80.1 88.9 70.0 SECOND TRIMESTER 6,552 2,045 4,507 15.3 8.9 22.6 THIRD TRIMESTER 1,133 277 856 2.6 1.2 4.3 UNKNOWN MONTH 134 38 96 0.3 0.2 0.5 UNKNOWN WHETHER ANY PRENATAL CARE 205 80 125 0.5 0.3 0.6 TABLE A9. LIVE BIRTHS AND PERCENTAGE DISTRIBUTION, BY MATURITY AND RACE OF MOTHER MISSISSIPPI, 1998 NUMBER PERCENT NON- NON- MATURITY* TOTAL WHITE WHITE TOTAL WHITE WHITE TOTAL 42,917 22,950 19,967 100.0 100.0 100.0 IMMATURE ONLY** 1,675 666 1,009 3.9 2.9 5.0 PREMATURE ONLY** 3,943 1,771 2,172 9.2 7.7 10.9 BOTH IMMATURE AND PREMATURE 2,671 991 1,680 6.2 4.3 8.4 TOTAL IMMATURE 4,346 1,657 2,689 10.1 7.2 13.5 TOTAL PREMATURE 6,614 2,762 3,852 15.4 12.0 19.3 TOTAL IMMATURE AND/OR PREMATURE 8,289 3,428 4,861 19.3 14.9 24.3 NEITHER IMMATURE NOR PREMATURE** 34,628 19,522 15,106 80.7 85.1 75.6 * IMMATURE - BIRTHWEIGHT LESS THAN 5 1/2 POUNDS (2,500 GRAMS); PREMATURE - GESTATION LESS THAN 37 WEEKS (CALCULATED BY SUBTRACTING THE DATE OF THE LAST NORMAL MENSTRUAL PERIOD PRIOR TO DELIVERY FROM THE DATE OF BIRTH). ** BIRTHS CLASSIFIED AS IMMATURE ONLY OR AS PREMATURE ONLY INCLUDE SOME FOR WHICH THE OTHER MEASUREMENT WAS UNKNOWN. THOSE CLASSIFIED AS NEITHER IMMATURE NOR PREMATURE INCLUDE SOME FOR WHICH ONE OR BOTH MEASUREMENTS WERE UNKNOWN.