[Fetal acardia in a twin pregnancy achieved by in vitro fertilization]. / Acardia fetal en embarazo gemelar logrado por fertilización in vitro.

The frequency of fetal arcadia in the world is 1:35,000 to 1:48,000 pregnancies; is currently estimated that 1% of newborns in developed countries are the result of assisted reproduction techniques and the frequency of twin pregnancies is close to 18%, of these, an estimated relative risk for cardiac defect is 1.6. However, the association of acardiac fetus, twin pregnancy and assisted reproductive techniques is not fully established. In this paper, we describe a case of fetal acardia, in a pregnancy resulting from assisted reproduction and its obstetric care.