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TABLE B-22
1999 VERMONT RESIDENT BIRTHS

                             MONTH PRENATAL CARE BEGAN BY NUMBER OF PRENATAL VISITS  
                                 NUMBER OF EVENTS AND CUMULATIVE ROW PERCENTS
                    
                                         MONTH PRENATAL CARE BEGAN*
                    
                                             NUMBER OF EVENTS
NUMBER
OF VISITS*     FIRST  SECOND  THIRD  FOURTH  FIFTH  SIXTH  SEVENTH  EIGHTH  NINTH  NONE  UNKNOWN  TOTAL
----------     -----  ------  -----  ------  -----  -----  -------  ------  -----  ----  -------  -----
                    
NONE              0       0      0       0      0      0       0        0      0    14       0      14
1                 0       1      1       1      0      2       1        1      3     0       2      12
2                 1       0      1       2      0      5       2        6      4     0       1      22
3                 1       8      2       3      3      0       5        5      4     0       4      35
4                 1      24     13       6      5      6       6       14      4     0       3      82
5                 8      39     31      22      6      5       4        6      0     0       8     129
6-8              66     306    203      92     43     32      34       10      1     0      33     820
9-11            160     885    443     114     57     26      11        3      1     0      65    1765
12               89     437    201      33     21      7       0        0      0     0      20     808
13-15           263    1062    407      54     21      9       3        0      0     0      67    1886
16-19           129     402    111      15      4      2       1        0      0     0      28     692
20+              48      77     25       6      2      0       0        0      0     0       5     163
UNKNOWN           3      35     34       3      3      1       1        0      1     1      50     132
                    
TOTAL           769    3276   1472     351    165     95      68       45     18    15     286    6560

                                     CUMULATIVE ROW PERCENTS - EXCLUDING UNKNOWNS 
NUMBER OF
VISITS*          FIRST     SECOND    THIRD     FOURTH    FIFTH     SIXTH   SEVENTH    EIGHTH     NINTH     NONE
------------     -----     ------    -----     ------    -----     -----   -------    ------     -----     -----

NONE               0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0     100.0
1                  0.0      10.0      20.0      30.0      30.0      50.0      60.0      70.0     100.0     100.0
2                  4.8       4.8       9.5      19.0      19.0      42.9      52.4      81.0     100.0     100.0
3                  3.2      29.0      35.5      45.2      54.8      54.8      71.0      87.1     100.0     100.0
4                  1.3      31.6      48.1      55.7      62.0      69.6      77.2      94.9     100.0     100.0
5                  6.6      38.8      64.5      82.6      87.6      91.7      95.0     100.0     100.0     100.0
6-8                8.4      47.3      73.1      84.8      90.2      94.3      98.6      99.9     100.0     100.0
9-11               9.4      61.5      87.5      94.2      97.6      99.1      99.8      99.9     100.0     100.0
12                11.3      66.8      92.3      96.4      99.1     100.0     100.0     100.0     100.0     100.0
13-15             14.5      72.8      95.2      98.2      99.3      99.8     100.0     100.0     100.0     100.0
16-19             19.4      80.0      96.7      98.9      99.5      99.8     100.0     100.0     100.0     100.0
20+               30.4      79.1      94.9      98.7     100.0     100.0     100.0     100.0     100.0     100.0
UNKNOWN            3.7      46.3      87.8      91.5      95.1      96.3      97.6      97.6      98.8     100.0
                    
TOTAL             12.3      64.5      87.9      93.5      96.2      97.7      98.8      99.5      99.8     100.0
                    
* SEE APPENDIX B FOR DATA QUALITY NOTES

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