You are also at risk as a mother carrying monoamniotic twins. Twins who are joined together requiring separation after being born.Delays in meeting expected milestones following birth.Congenital malformations, including defects of the heart, neural tubes, or brain.Amniotic fluid abnormalities, meaning your babies may have too much or too little fluid.Twin-to-twin transfusion syndrome (TTTS), the rapid transfer of blood from one baby to the other that can lead to heart failure and death of one or both twins.Uneven blood flow that stunts growth in the womb, often affecting only one baby and also called selective fetal growth restriction (sFGR).Reduced blood supply for each baby because of sharing.Compressed umbilical cords that end up in knots and cut off blood supply.Entangled umbilical cords that may become wrapped around your babies.However, monoamniotic twins face additional risks because they share a single placenta and amniotic sac. With less room to grow, twin pregnancies usually result in preterm birth. Your risks already increase when you are pregnant with more than one baby. Fraternal twins are also considered dichorionic. They represent around 30% of identical twin pregnancies. Dichorionic twins each have their own placenta and amniotic sac.Monochorionic-diamniotic twins are identical twins who share a placenta, but each has their own amniotic sac.They represent around 70% of identical twin pregnancies. Monochorionic twins are identical twins who share a single placenta.Only around 1% of twin pregnancies result in monoamniotic twins.ĭifferent types of twin pregnancies besides monoamniotic include: This condition increases the risk of complications for both of your babies. ![]() Monoamniotic twins may also be referred to as monochorionic, monochorionic-monoamniotic, or momo twins. However, some identical twins share both an amniotic sac and a placenta, making them monoamniotic twins. Even when you’re pregnant with twins, most of the time they each have their own sac and own placenta. They also have a placenta to provide blood flow and nutrients during pregnancy. ![]() When your baby is in the womb, they have an amniotic sac to provide protection as they grow.
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