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Table 24
Number and Percent of Reported Induced Abortions by Weeks of Gestation
and Method to Confirm Pregnancy, Michigan Occurrences, 2011
Weeks
of Gestation 		Method to Confirm Pregnancy
Total Home Urine Test Clinical Lab Urine Test Clinical Lab Blood Test Ultrasound Not Tested Other
Number Percent Number Percent Number Percent Number Percent Number Percent Number Percent
All Weeks Gestation 23,366 2,087 8.9 911 3.9 46 0.2 20,285 86.8 5 0.0 3 0.0
< 5 531 60 11.3 27 5.1 3 0.6 441 83.1 - - - -
5 - 8 13,296 1,055 7.9 440 3.3 19 0.1 11,770 88.5 2 0.0 1 0.0
9 - 12 6,618 643 9.7 293 4.4 11 0.2 5,665 85.6 1 0.0 1 0.0
13 - 16 1,975 221 11.2 103 5.2 7 0.4 1,638 82.9 2 0.1 1 0.1
17 - 20 653 79 12.1 38 5.8 4 0.6 521 79.8 - - - -
21 24 225 20 8.9 8 3.6 1 0.4 196 87.1 - - - -
25 - 28 42 6 14.3 - - 1 2.4 31 73.8 - - - -
Over 28 12 1 8.3 - - - - 11 91.7 - - - -
                           

Note:  Weeks of gestation is the calculated number of weeks corresponding to the time elapsed since the date of the last regular menstrual period and the date of the abortion. Reports with weeks of gestation not reported are included in the 'All Weeks Gestation' row only. Reports with method to confirm pregnancy not reported are included in the 'Total' column only.

0.0 Quantity more than zero but less than 0.05.
- A dash indicates quantity zero.
Source:  2011 File of Reported Induced Abortions Occurring in Michigan, Division for Vital Records & Health Statistics, Michigan Department of Community Health.

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