Table 1.

Chorioretinal abnormalities observed in mothers at varying times after birth of a congenitally infected child.

Age	Number of mothers:					Percentage of abnormal exams¶
	with children who have reached this age*	with children who have visited at this age†	who have been examined when child was this age††	who had normal exams when child was this age§	who had abnormal exams when child was this age||
Birth	170	121	71	66	5	7%
1 year	162	111	31	29	2	6%
3.5 years	149	85	18	17	1	6%
5 years	140	71	13	12	1	8%
7.5 years	126	49	15	15	0	0%
10 years	111	67	39	38	1	3%
15 years	52	34	19	18	1	5%
20 years	21	13	6	5	1	17%
>20 years	8	7	0	0	0	N/A
Total	939*	558†	212††	200§	12||	6%¶

^*Total number of children’s visits possible. 173 children, 3 sets of twins.

^†Actual total number of children’s visits.

^††Total number of mothers’ examinations performed.

^§Number of examinations of mothers where no abnormalities consistent with ocular toxoplasmosis were found.

^||Number of examinations of mothers where abnormalities consistent with ocular toxoplasmosis were found (i.e., 10 mothers, 12 examinations).

^¶%=Abnormal exams/exams performed at this age X100.