This condition known as TTTS also called FFTS (Feto fetal transfusion syndrome) is also known as TOPS (twin polyhydramnios is oligohydramnios syndrome) is a rare entity in twin pregnancy. Twins multiples are known as age advances and after clomiphene, and IVF it is a serious disorder with high fetal mortality. The twins may be identical or fraternal. In identical twins one egg is fertilized by 2 sperms but in the other one two eggs are fertilized by two separate sperms.
In the case of identical twins they share one chorion (placenta) and the twins may have one amniotic sac or 2 separate sacs (monochorionic, diamniotic). In TTTS the pathology is in that single placenta wherein vascular malformations exist the result one of the twins will get more blood while the other less. So foetal growth is less compared to the other the one which receives less blood is called donor twin and the…