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TABLE B-23
1997 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           1       1       1       1       0       0       1      1       0       1      0        7

 15 YEARS           2       6       5       2       2       2       0      0       0       0      0       19
 16 YEARS           2      15       8       4       3       2       1      0       0       0      3       38
 17 YEARS           9      28      24      12       4       5       4      2       1       1      6       96
 18 YEARS          12      55      49      17      11       4       4      0       1       2     11      166
 19 YEARS          27      96      43      19      12       7       0      5       0       4     18      231
(15-19 YRS)     (  52)  ( 200)  ( 129)  (  54)  (  32)  (  20)  (   9) (   7)  (   2)  (   7) (  38)   ( 550)

 20 YEARS          22     103      65      18       8       6       4      2       0       0     18      246
 21 YEARS          26     107      68      15      10       5       5      0       2       0     13      251
 22 YEARS          37     122      64      22      10       2       6      5       4       0     19      291
 23 YEARS          41     149      82      32       9       6       7      1       0       1     14      342
 24 YEARS          27     173      77      21      13       6       1      1       3       0     14      336
(20-24 YRS)     ( 153)  ( 654)  ( 356)  ( 108)  (  50)  (  25)  (  23) (   9)  (   9)  (   1) (  78)   (1466)

 25-29 YRS        240    1010     412      99      38      17       7      8       1       1     61     1894
 30-34 YRS        210     908     357      76      18      17       6      6       2       3     53     1656
 35-39 YRS         97     436     202      34      25      13       7      2       1       1     33      851
 40-44 YRS         22      91      41       7       3       1       3      2       0       0      4      174
 45+ YEARS          0       0       3       1       0       0       0      0       0       0      0        4
 UNKNOWN            0       0       0       0       0       0       0      0       0       0      0        0

 TOTAL            775    3300    1501     380     166      93      56     35      15      14    267     6602

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

<15 YEARS         14.3     28.6     42.9     57.1     57.1     57.1     71.4      85.7      85.7     100.0

 15 YEARS         10.5     42.1     68.4     78.9     89.5    100.0    100.0     100.0     100.0     100.0
 16 YEARS          5.7     48.6     71.4     82.9     91.4     97.1    100.0     100.0     100.0     100.0
 17 YEARS         10.0     41.1     67.8     81.1     85.6     91.1     95.6      97.8      98.9     100.0
 18 YEARS          7.7     43.2     74.8     85.8     92.9     95.5     98.1      98.1      98.7     100.0
 19 YEARS         12.7     57.7     77.9     86.9     92.5     95.8     95.8      98.1      98.1     100.0
(15-19 YRS)     ( 10.2)  ( 49.2)  ( 74.4)  ( 85.0)  ( 91.2)  ( 95.1)  ( 96.9)   ( 98.2)   ( 98.6)   (100.0)

 20 YEARS          9.6     54.8     83.3     91.2     94.7     97.4     99.1     100.0     100.0     100.0
 21 YEARS         10.9     55.9     84.5     90.8     95.0     97.1     99.2      99.2     100.0     100.0
 22 YEARS         13.6     58.5     82.0     90.1     93.8     94.5     96.7      98.5     100.0     100.0
 23 YEARS         12.5     57.9     82.9     92.7     95.4     97.3     99.4      99.7      99.7     100.0
 24 YEARS          8.4     62.1     86.0     92.5     96.6     98.4     98.8      99.1     100.0     100.0
(20-24 YRS)     ( 11.0)  ( 58.1)  ( 83.8)  ( 91.6)  ( 95.2)  ( 97.0)  ( 98.6)   ( 99.3)   ( 99.9)   (100.0)

 25-29 YRS        13.1     68.2     90.7     96.1     98.1     99.1     99.5      99.9      99.9     100.0
 30-34 YRS        13.1     69.7     92.0     96.8     97.9     98.9     99.3      99.7      99.8     100.0
 35-39 YRS        11.9     65.2     89.9     94.0     97.1     98.7     99.5      99.8      99.9     100.0
 40-44 YRS        12.9     66.5     90.6     94.7     96.5     97.1     98.8     100.0     100.0     100.0
 45+ YEARS         0.0      0.0     75.0    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            12.2     64.3     88.0     94.0     96.6     98.1     99.0      99.5      99.8     100.0

* SEE APPENDIX B FOR DATA QUALITY NOTES.

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