Table 3 Malformation frequency at birth (including stillbirths and perinatal deaths, but not early miscarriages) in relation to parental exposure
Mother’s exposure conditionFather’s exposure condition
Not in cities (%)Low-to-moderate doses (%)High doses (%)
Not in cities294/31,904 (0.92)40/4,509 (0.89)6/534 (1.1)
Low-to-moderate doses144/17,616 (0.82)79/7,970 (0.99)5/614 (0.81)
High doses19/1,676 (1.1)6/463 (1.3)1/145 (0.7)
  • Data are from Neel and Schull (1991). The early miscarriages have apparently not been recorded.