- there is a single placenta
- the dividing membrane is thin all the way to the point where it meets the placenta
- both babies have the same sex
Do I have TTTS?
The diagnosis of TTTS is based on the combination of several findings:
- You have to have identical twins with one placenta (monochorionic twins). This is best seen in early pregnancy (before 16 weeks). After this time a monochorionic pregnancy is likely if
- There is a difference in size between both babies
- There is a difference in amniotic fluid volume between the babies sacs
- There is a marked difference in bladder filling between babies
- You are feeling uncomfortable because your abdomen has suddenly become much bigger
- You are experiencing increased frequency in contractions since your abdomen has become bigger
These are findings that are typically reported by patients that develop TTTS. If you are concerned about this possibility you should contact you obstetrician, or perinatologist.