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How many weeks or months pregnant were you when you were sure you were pregnant? (For example, you had a pregnancy test or a doctor or nurse said you were pregnant.)


1.0 to 7.9 weeks 77.7
8.0 to 12.9 weeks 16.3
13.0 to 17.9 weeks 4.6
18.0 to 22.9 weeks 0.6
23.0 or more weeks 0.8
(n = 1,783) Denominator is all survey respondents.

  • All results are weighted.
  • These results are for surveys that were mailed to mothers from April 2007 through March 2008. Child's dates of birth were from 1/1/2007 through 12/31/2007.
  • The number of respondents (n) is the number of women who chose the responses above.
  • Percents may not add to 100.0 due to rounding.
*2007 Data collected under Centers for Disease Control and Prevention (CDC) protocol.

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