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).
Twinning after 12 days post-fertilization will typically result in conjoined twins. 1  Dichorionic/Diamniotic : each twin has his/her own placenta, chorion and amniotic sac. 2  Monochorionic/Diamniotic: twins share placenta and chorionic sac but have their own amniotic sac. 3  Monoamniotic/Monochorionic : twins share placenta, chorionic and amniotic sac.