Table 1.

Groups Studied

	No. of Families with Children Conceived			No. of Children Conceived
Location	BeforeChernobyl	AfterChernobyl	Before andAfter Chernobyl	BeforeChernobyl	AfterChernobyl
Ovruch	15	94	21	42	146
Borodyanka	11	35	5	20	45
Gornostaipol	5	15	1	6	21
Vasylkov	23	0	0	30	0
Kovalevka	0	19	0	0	20
Ustimovka	0	8	0	0	8
Total	54	171	27	98	240