What does it mean when twins share a placenta?
When two fetuses share one placenta, their umbilical cords may implant anywhere – there is no set or predictable pattern – and depending on where they implant, one fetus may get less of a ‘share’ of the placenta than it’s co-twin, resulting in less blood flow and nutrition to one fetus, with more to the other (unequal …
What does anterior placenta mean?
An anterior placenta is when the placenta attaches to the front wall of the uterus. This is a normal place for the placenta to implant and develop, but there are a few things to be aware of if you have one.
What is the meaning of vasa previa?
Vasa previa occurs when membranes that contain fetal blood vessels connecting the umbilical cord and placenta overlie or are within 2 cm of the internal cervical os. Vasa previa can occur on its own (see figure Vasa previa.
What is Dichorionic and Diamniotic?
Definition. The term dichorionic refers to multiple gestations with two distinct placental disks (or two chorions), and the term diamniotic describes a pregnancy with two distinct amniotic cavities. A dichorionic diamniotic twin pregnancy is a twin pregnancy in which each fetus has its own placenta and amniotic sac.
Do twins have 1 or 2 placentas?
A twin pregnancy with two placentas and two amniotic sacs is the optimal twin pregnancy, as each baby has its own nutritional source and protective membrane. One placenta and two amniotic sacs. In pregnancies with one placenta and two amniotic sacs, you will definitely have identical twins.
How rare are Monochorionic Diamniotic twins?
Monochorionic diamniotic (Mo-Di) twins are twins that share a placenta and therefore a blood supply. They occur in 3–4 per 1,000 pregnancies.
Does anterior placenta always mean girl?
Even though the placenta usually attaches to the back of the uterus, it’s perfectly fine to have an anterior placenta. However, this may or may not indicate that you’re having a girl. So before making any big announcements, you may want to confirm your theory with an ultrasound or blood test.
How serious is vasa previa?
Vasa previa can be very dangerous to a baby. In fact, around half of all undiagnosed cases lead to stillbirth. On the other hand, when a provider correctly diagnoses the condition during pregnancy, survival rates increase to around 97%. Unfortunately, the symptoms of vasa previa are often silent until labor.
Can you have another baby after vasa previa?
If vasa previa does not cause any complications, doctors often plan to deliver the baby between 34 to 37 weeks of pregnancy. However, delivery can be earlier if the woman or fetus is in danger.
What is meant by Dichorionic Diamniotic twin?
A dichorionic diamniotic (DCDA) twin pregnancy is a type of twin pregnancy where each twin has its own chorionic and amniotic sacs. This type occurs most commonly with dizygotic twins, but may also occur with monozygotic twin pregnancies. This type of pregnancy may have characteristic findings on ultrasound.
