Abstract
Seventy-nine cleft lip and/or palate births were isolated from 21,138 live births between January 1, 1983 and December 31, 1988 in one hospital in Tehran. Among these, 21 (26.58 percent) were cleft lip (CL), 45 (56.96 percent) were cleft lip and palate (CLP), and 13 (16.45 percent) were cleft palate (CP). Chemical sulfur mustard gas was indicated as a major factor in 30 (37.97 percent) of the bilateral cleft lip and palate infants.
Get full access to this article
View all access options for this article.
References
1.
Amartunga
and
Chanadrasekera A.
Incidence of cleft lip and palate in Sri Lanka. J Oral Maxillofac Surg 1989 ; 471 : 559 .
2.
Chapman C.J.
Ethnic difference in the prevalence of cleft lip and/or cleft palate in Aukland. 1969–1970. NZ Med J 1982 ; 731 : 327 .
3.
Chung C.S.
,
Myrianthopulos N.C.
Racial and prenatal factor in major congenital malformations. Am J Hum Genet 1968 ; 20 : 44 .
4.
Cowgill U.M.
Historical study of the season of birth in the city of York, England. Nature 1966 ; 209 : 1067 .
5.
Dallare L.
,
Melancon L.S.B.
,
Potier M.
,
Mathein J.P.
,
Ducharme G.
Date of conception and neural tube defect. Clin Gen 1984 ; 26 : 304 .
6.
Drillien C.M.
,
Ingram T.T.S.
,
Wilkinson E.M.
The causes and natural history of cleft lip and palate. Edinburgh : Churchill, Livingstone , 1966 .
7.
Edward J.H.
Seasonal prevalence of congenital disease in Birmingham. Ann Hum Genet 1961 ; 25 : 89 .
8.
Elwood J.M.
Seasonal variation in anencephalus in Canada. Br J Prevent Soc Med, 1975 ; 31 : 212 .
9.
Fraser F.C.
,
Calnan J.S.
Cleft lip and palate seasonal incidence, birth weight, birth rank, sex, site, associated malformation, and parental age. A statistical survey. Arch Dis Child 1961 ; 36 : 420 .
10.
Fugino H.
,
Tanaka K.
,
Sanul Y.
Genetic study of cleft lip and cleft palate based on 2828 Japanese cases. Kyushu J Med Sci 1963 ; 14 : 317 .
11.
Nutusuma N.
,
Suzukit T.
,
Kawai T.
The prevalence of cleft lip and palate in Japan. Br J Oral Maxillofac Surg 1988 ; 26 : 232 .
12.OPCS. Congenital climes of America. 1983 ; 19 : 171 .
13.
Saxen I.
,
Lahti A.
Cleft lip and palate in Finland: incidence, secular, seasonal, and geographic variations. Teratology 1974 ; 9 : 217 .
14.
Sohrabpour H.
Observation and clinical manifestation of patients injured with mustard gas. MJIRI 1987 ; 1 : 32 .
15.WHO. Health aspect of biological and chemical weapons. Geneva : WHO , 1970 .