[Disorders of spermatogenesis in people working at the clean-up of the Chernobyl nuclear power plant accident].

It has been studied the state of ejaculate of 125 men, participated in liquidation of Chernobyl disaster consequences in 1986-1986 and irradiated by doses up to 25 rem. For all checked men the decrease of ejaculate volume and the number of spermatozoa with increasing of part of immovable and degenerated forms has been found. Maximal changes have been observed for men being at Chernobyl NPS in 1986 and exposed by dose more than 10 rem. The majority of these persons have asthenooligospermia in 1st degree. The majority of men exposed by total dose more than 1 rem have teratozoospermia. Two men exposed by dose more than 10 rem suffer from azoospermia.