Search All NYTimes.com. Anne Wolf Cochran, a daughter of Mr. and Mrs. James A. Cochran of Falls Church, Va., was married yesterday to William Charles Hamilton, the son of Mrs. Joseph S. Iseman of Rye, N.Y., and the late William H. Hamilton.
1 Conjoined twins occur in approximately one in 50,000 births, and the majority do not survive (they are stillborn).
Thoracopagus twins make up about 40 percent of all conjoined cases. Another common type of conjunction is called omphalopagus, where twins are connected from the breastbone to the waist. About 33 percent of all conjoined cases are categorized as omphalopagus.