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[Possible association of epilepsy with dizygotic twinning].

The frequency of twinning among 9457 children and abolescents suffering epilepsy and epileptiform syndrom was established to be 1,94%, exceeding that in general population and being particularly high in the group of patients with epilepsy (2,65%). The frequency of stillbirths and deaths in one of the co-twins amounted 18,57%. The proportion of same-sexed and opposite-sexed pairs in the sample examined differs from that in general population, dizygous pair exceeding their number expected.