Perinatal outcome of fertilization singletons - 10 years' experience of one center.

Introduction: fertilization (IVF) singletons have a worse perinatal outcome than spontaneously conceived singletons, especially in terms of preterm birth and its complications.

Material And Methods: An observational retrospective case control study was carried out. The study population consisted of 644 women in singleton pregnancies (336 IVF/intracytoplasmic sperm injection (ICSI); 308 controls) who delivered > 22 weeks of gestation at the 1 Department of Obstetrics and Gynecology, Medical University of Warsaw, Poland, between 2004 and 2014.