The Registry collects data on complicated multiple pregnancies, monochorionic twin pregnancies and uncomplicated triplet pregnancies. Read more about how this data helps us in research here.

Harriet thought she had passed the point of having TTTS with her twins after reaching almost 25 weeks; but in a rapid turn of events, the condition was picked up and she had emergency laser surgery.

Walking 10K for TTTS after twins survive the life-threatening condition

A mum who discovered she was pregnant on her 30th birthday later found out the twins she was carrying had Twin to Twin Transfusion Syndrome (TTTS).