Vol. 31 (3) 2010 Neuro endocrinology letters

Complication rates in the second and third trimester of spontaneous twin pregnancies and twin pregnancies after in vitro fertilization.

BACKGROUND: Most authors agree that the twin pregnancies have a higher risk of complications compared to singleton pregnancies. However, there is no unanimity as to whether the risk of complications in twin pregnancies resulting from in vitro fertilization is higher than in twin pregnancies resulting from spontaneous conception.