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TABLE B-23                                  
1998 VERMONT RESIDENT BIRTHS
                                      MONTH PRENATAL CARE BEGAN BY AGE OF MOTHER
                                     NUMBER OF EVENTS AND CUMULATIVE ROW PERCENTS
                    
                                              MONTH PRENATAL CARE BEGAN*
AGE OF
MOTHER        FIRST   SECOND  THIRD   FOURTH  FIFTH   SIXTH   SEVENTH  EIGHTH  NINTH    NONE  UNKNOWN TOTAL
------------  ------  ------  ------  ------  ------  ------  -------  ------  ------  ------ ------- ------

<15 YEARS         0       1       1       0       1       0        1       0       0       0       1       5

 15 YEARS         0       3       3       2       1       0        0       0       0       0       2      11
 16 YEARS         1      16      11       6       1       2        1       1       0       0       5      44
 17 YEARS         6      32      23       9       5       8        3       0       2       0       3      91
 18 YEARS        12      49      41      15       7       3        1       4       0       2      12     146
 19 YEARS        18      91      49      28      10       6        1       1       1       4      13     222

(15-19 YRS)   (  37)  ( 191)  ( 127)  (  60)  (  24)  (  19)   (   6)  (   6)  (   3)  (   6)  (  35)  ( 514)

 20 YEARS        32     104      78      22      12       8        3       3       3       3      15     283
 21 YEARS        30     118      65      21      15       8        1       3       1       0      23     285
 22 YEARS        30     137      53      21      12       4        7       0       0       0      20     284
 23 YEARS        28     175      57      27       9       4        3       2       5       2       9     321
 24 YEARS        23     146      69      22      11       4        2       0       0       1      17     295

(20-24 YRS)   ( 143)  ( 680)  ( 322)  ( 113)  (  59)  (  28)   (  16)  (   8)  (   9)  (   6)  (  84)  (1468)

 25-29 YRS      222     990     432     104      47      17       13       7       5       3      51    1891
 30-34 YRS      201     909     380      70      24      21       13       7       4       2      55    1686
 35-39 YRS      104     435     189      43      11       9        8       0       1       2      24     826
 40-44 YRS       21      72      51      13       4       3        0       0       0       0       9     173
 45+ YEARS        2       0       2       2       0       0        0       0       0       0       0       6
 UNKNOWN          0       0       0       0       0       0        0       0       0       0       0       0

 TOTAL          730    3278    1504     405     170      97       57      28      22      19     259    6569

                                 CUMULATIVE ROW PERCENTS - EXCLUDING UNKNOWNS 
AGE OF
MOTHER        FIRST   SECOND   THIRD  FOURTH   FIFTH  SIXTH   SEVENTH  EIGHTH   NINTH    NONE
------------  ------  ------  ------- ------- ------- -----   -------  ------- -------  ------

<15 YEARS       0.0     25.0    50.0    50.0    75.0    75.0   100.0    100.0   100.0    100.0

 15 YEARS       0.0     33.3    66.7    88.9   100.0   100.0   100.0    100.0   100.0    100.0
 16 YEARS       2.6     43.6    71.8    87.2    89.7    94.9    97.4    100.0   100.0    100.0
 17 YEARS       6.8     43.2    69.3    79.5    85.2    94.3    97.7     97.7   100.0    100.0
 18 YEARS       9.0     45.5    76.1    87.3    92.5    94.8    95.5     98.5    98.5    100.0
 19 YEARS       8.6     52.2    75.6    89.0    93.8    96.7    97.1     97.6    98.1    100.0

(15-19 YRS)  (  7.7)  ( 47.6) ( 74.1) ( 86.6) ( 91.6) ( 95.6) ( 96.9)  ( 98.1) ( 98.7)  (100.0)

 20 YEARS      11.9     50.7    79.9    88.1    92.5    95.5    96.6     97.8    98.9    100.0
 21 YEARS      11.5     56.5    81.3    89.3    95.0    98.1    98.5     99.6   100.0    100.0
 22 YEARS      11.4     63.3    83.3    91.3    95.8    97.3   100.0    100.0   100.0    100.0
 23 YEARS       9.0     65.1    83.3    92.0    94.9    96.2    97.1     97.8    99.4    100.0
 24 YEARS       8.3     60.8    85.6    93.5    97.5    98.9    99.6     99.6    99.6    100.0

(20-24 YRS)  ( 10.3)  ( 59.5) ( 82.7) ( 90.9) ( 95.2) ( 97.2) ( 98.3)  ( 98.9) ( 99.6)  (100.0)

 25-29 YRS     12.1     65.9    89.3    95.0    97.6    98.5    99.2     99.6    99.8    100.0
 30-34 YRS     12.3     68.1    91.4    95.6    97.1    98.4    99.2     99.6    99.9    100.0
 35-39 YRS     13.0     67.2    90.8    96.1    97.5    98.6    99.6     99.6    99.8    100.0
 40-44 YRS     12.8     56.7    87.8    95.7    98.2   100.0   100.0    100.0   100.0    100.0
 45+ YEARS     33.3     33.3    66.7   100.0   100.0   100.0   100.0    100.0   100.0    100.0
 UNKNOWN        0.0      0.0     0.0     0.0     0.0     0.0     0.0      0.0     0.0      0.0

 TOTAL         11.6     63.5    87.4    93.8    96.5    98.0    98.9     99.4    99.7    100.0

* SEE APPENDIX B FOR DATA QUALITY NOTES.

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