[Data from the Wrocław region about thyroid diseases and use of prophylactic iodine after the reactor accident in Czernobyl].

The radiological contamination of Wrocław Region after Czernobyl accident was evaluated as moderate. In the frame of Research Programme MZ-XVII 4310 persons (2012 men and 2298 women) were randomly selected and investigated. Among them were 1525 children up to 16 years old. 925 children and 854 adults took potassium iodide; only minority in April but majority between May 1st and May 5th. Side effects was rare phenomenon seen in about 5% of those who ingested potassium iodide and in majority of cases was very mild (with rash and vomiting as most common clinical symptoms). Only 13 persons with side effects have visited physicians. Among 955 women aged 19-40 years 71 were pregnant in May 1986. 55 of them delivered on time, 3 before time. Average health state of newborns was 9.1 according to Apgar scale. 10 women have had spontaneous abortion and 3 decided to terminate pregnancy in first 6 weeks. The physical examination revealed the presence of diffuse goiter in 384 persons and of nodular goiter in 23 persons. In majority of cases the goiter was small, OB or I. according to WHO classification.