How Common Is Acardiac Twin?

Twin reversed arterial perfusion (TRAP) used to be known as acardiac twin pregnancy. It is a very rare type of twinning that is only seen in pregnancies with only one placenta, happening in about 1 in every 35,000 identical twin births.

Can an Acardiac twin survive?

With proper care, 80 to 85 percent of pump twins survive and go on to live a healthy life. The acardiac twin does not develop a heart structure and will not survive after birth. The goal of prenatal care is to minimize the risk of heart failure for the pump twin.

What are Acardiac twins?

An acardiac twin, also known a recipient twin, refers to the haemodynamically disadvantaged twin of a twin-pair in the setting of twin reversed arterial perfusion (TRAP) sequence. The acardiac twin undergoes secondary atrophy and is non-viable.