Velamentous cord insertion caused by oblique implantation after in vitro fertilization and embryo transfer.


We present a case of a 36-year-old pregnant female after intracytoplasmic sperm injection. Ultrasonographic examination at 8 weeks' gestation revealed umbilical cord insertion with a viable fetus located on the septum membrane of dichorionic twin pregnancy near the anterior wall, while the other fetus was observed to have vanished. Next, this umbilical cord… (More)
DOI: 10.1111/j.1447-0756.2011.01555.x