No sperm was encountered within the Number of Spermatozoa (//mm?} spermia was found in 16 cases in November 1954, e.g. about 8 months after the detonation. Both lowering of motility and morpholovical abnormalities of spermatozoa were also observed. The testicle of the fatal case, which died 206 davs after the explosion, was remarkably atrophic. possessing the interstitial tissue composed of loosely arranged connective tissue. Spermatogonia were greatly decreased in number, and in some areas they were completely lacking. lumen deb 1954 of either seminiferous tubules or epididymis. Indications of recovery were observed at about one year after the explosion in some patients, but number of spermatozoa was still far below normal value in all the cases. Most of them began to reveal a sign of regeneration about 2 years after the exposure, and got children (Fig. Fig. 5. 5. =! TOT 1955 bu dds i 1958 1959 a 1956 1957 Changes in the Number of Spermatozoa Liver Function Slight disturbances of the liver function were found in a few cases about + weeks after the initial exposure. Later it became more obvious, i.e. the repeated appearance of jaundice in several 5 and Table 2). cases, an increase of serum gamma-globulin conTable 2. Date Case “M (2) 3 M (2) 5 6 7 M (4) | M (3) | 2 3 | : f | M | 6 7 M) m | 8 9 10 Mt M (3) M..--- Marriage ‘ M, f | M | | in| | f | | ms 2 / M M M f { A Assen Abortus "95 m m 25 24 m 22 M m f t f ! |€ Crete No. of children at the time of exposure freee Female 26 22 f M f M f M of m! f 97 oM | m, | 30 28 t ! M | M (2) 15 16 Meee Male , ! | M 28 | m 4 5 38 i M M K-i +14 Age in 7 "i OA M (3) | 8 12 13 ’ ) " : _ ; 1954 1955 1956 1957. 1958 , 1959 , 1960 . 1961 || 1962 | 1963 || March 1954 | | | | T-1 2 Marriage and Childbirth of the Patients a ' fie Fatal case | mi 26 18 23 m 22 24 m 23 18 22 39 97 20