TABLE 2 

Proportion of mothers seropositive for Toxoplasma gondii, rubella virus, CMV, HSV-1, and HSV-2 at time of sample collection, stratified by sex of child

PathogenSample collection timeBoysGirls
ASD (n, %)Control (n, %)P valueASD (n, %)Control (n, %)P value
HSV-1Midpregnancy191 (54.0)183 (50.7)0.3836 (47.4)60 (61.2)0.07
Postpartum178 (52.7)175 (48.3)0.2535 (47.3)59 (61.5)0.07
HSV-2Midpregnancy48 (13.3)44 (12.2)0.6514 (18.4)13 (13.5)0.38
Postpartum49 (14.5)38 (10.5)0.1112 (16.4)15 (15.5)0.86
CMVMidpregnancy197 (55.6)207 (57.3)0.6549 (65.3)54 (55.1)0.17
Postpartum187 (55.7)197 (56.3)0.8942 (60.0)52 (54.2)0.45
ToxoplasmaMidpregnancy36 (10.0)37 (10.2)0.959 (11.7)9 (9.3)0.60
Postpartum35 (10.3)36 (10.0)0.898 (11.0)9 (9.1)0.69
RubellaMidpregnancy358 (98.9)364 (99.7)0.1877 (100)98 (99.0)0.38
Postpartum337 (98.8)363 (99.7)0.1674 (100)98 (100)NAa
  • a NA, not applicable.