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A clinical survey was performed on 151 cases of multiple pregnancies (149 cases of twins and 2 cases
of triplets) and their 304 multiplets who were born at the Chonnam University Hospital during 7 years
from January 1, 1980 to December 31, 1986. The results are as follows:
1) The incidence of twins was 1 out of 50 births, and that of triplets... |