Relationship between extreme values of first trimester maternal pregnancy associated plasma Protein-A, free-β-human chorionic gonadotropin, nuchal translucency and adverse pregnancy outcomes

Objective: The aim of our study was to investigate the relationship between extreme values of first trimester screening markers and adverse obstetric outcomes. Materials and methods: Our study was conducted by examining the prenatal and postnatal perinatal records of 786 singleton gestations between the ages of 18–40, who applied to Prof. Dr. Cemil Taşçıoğlu City Hospital outpatient clinics for first-trimester screening for aneuploidy, between January 1, 2017 and December 31, 2019. Results: The presence of small for gestational age (SGA) was found to be statistically significant for the