Table 3.

Reported mothers' diagnostic X-ray examinations during pregnancy by exposure site

Site categoryCases, N (%)*Controls, N (%)*
Pelvis15 (4.8%)11 (3.5%)
Abdomen9 (2.9%)4 (1.3%)
Back1 (0.3%)0 (0.0%)
Chest4 (1.3%)2 (0.6%)
Dental12 (3.8%)3 (1.0%)
Sinus1 (0.3%)0 (0.0%)
Neck1 (0.3%)0 (0.0%)
Lower extremity4 (1.3%)3 (1.0%)
  • * Percentage of respondents to each question (excluding unknown).