Management of Multiple Pregnancy

Abstract

Background: Changing delivery age and successes in reproductive have medicine induced an increase in incidence of the multiples in the industrialized world.

Invasive Procedures in Monochorionic Twins

“…The risk of chromosomal abnormalities is the same as for singleton pregnancies and in the vast majority both fetuses in MC pregnancies are equally affected. 5 However, there have been described cases of MC twins with differences in their karyotypes and this phenomenon is called heterokaryotypic monochorionic twin pregnancy. Generally, this phenomenon is caused by postzygotic mitotic events (nondysjunction or anaphase lag) but several mechanisms may be involved.…”