First trimester prenatal screening in multiple pregnancies. Part I: comparative analysis of serum proteins PAPP-A and p-hCG in pregnancies conceived spontaneously or by in vitro fertilization

• Main Authors: V. I. Tsibizova (Author), I. E. Govorov (Author), T. М. Pervunina (Author), E. V. Komlichenko (Author), E. K. Kudryashova (Author), D. V. Blinov (Author), A. D. Makatsariya (Author), G. C. Di Renzo (Author)
• Format: Book
• Published: IRBIS LLC, 2020-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Introduction. Serum proteins PAPP-A (pregnancy-associated plasma protein-A) and β-hCG (the в-subunit of human chorionic gonadotropin) levels are components of the 1st trimester combined screening aimed to detect fetal aneuploidies. In contrast to singleton pregnancies, where the values are well esta...