This issue provides a timely update for for the ob/gyn on genetics in reproductive medicine. Dr. Dugoff has created an issue with the goals of providing the most currently clinical information on genetic screening and prenatal genetics. Top authors have written reviews on the following topics: Genetic counseling overview for the ob/gyn; Cell-free DNA screening for aneuploidy; Cell-free DNA screening for single gene disorders; The use of microarray in prenatal diagnosis; Whole exome sequencing: Applications in prenatal diagnosis; Screening for aneuploidy in multiple gestations: The challenges and available options; Expanded carrier screening; Ethnicity-based carrier screening overview; Prenatal genetic diagnosis and prenatal genetic screening; Ethical issues in prenatal genetics; Ultrasound findings and associated genetic syndromes; Hereditary cancers in gynecology: and What physicians should know about genetic testing, screening and risk reduction. Readers will come away with the knowledge they need to diagnose, treat, and manage patients based on the most current evidence and data.

**Selected for 2026 Doody's Core Titles in Obstetrics & Gynecology**The definitive reference in the field for more than 35 years, Creasy and Resnik's Maternal-Fetal Medicine provides today’s MFM practitioners with authoritative, comprehensive guidance on every aspect of this fast-changing field. The fully revised 9th Edition brings you up to date with the latest evidence-based guidelines and research as well as the fundamental scientific foundation needed for effective practice, helping you minimize complications and ensure the best possible outcomes for your patients. Renowned experts in obstetrics, gynecology, and perinatology provide valuable information in every area of complex obstetric care, highlighting the most commonly encountered anomalies and providing clear guidelines for obstetric and neonatal management.

This issue provides a timely update for for the ob/gyn on genetics in reproductive medicine. Dr. Dugoff has created an issue with the goals of providing the most currently clinical information on genetic screening and prenatal genetics. Top authors have written reviews on the following topics: Genetic counseling overview for the ob/gyn; Cell-free DNA screening for aneuploidy; Cell-free DNA screening for single gene disorders; The use of microarray in prenatal diagnosis; Whole exome sequencing: Applications in prenatal diagnosis; Screening for aneuploidy in multiple gestations: The challenges and available options; Expanded carrier screening; Ethnicity-based carrier screening overview; Prenatal genetic diagnosis and prenatal genetic screening; Ethical issues in prenatal genetics; Ultrasound findings and associated genetic syndromes; Hereditary cancers in gynecology: and What physicians should know about genetic testing, screening and risk reduction. Readers will come away with the knowledge they need to diagnose, treat, and manage patients based on the most current evidence and data.

**Selected for 2026 Doody's Core Titles in Obstetrics & Gynecology**The definitive reference in the field for more than 35 years, Creasy and Resnik's Maternal-Fetal Medicine provides today’s MFM practitioners with authoritative, comprehensive guidance on every aspect of this fast-changing field. The fully revised 9th Edition brings you up to date with the latest evidence-based guidelines and research as well as the fundamental scientific foundation needed for effective practice, helping you minimize complications and ensure the best possible outcomes for your patients. Renowned experts in obstetrics, gynecology, and perinatology provide valuable information in every area of complex obstetric care, highlighting the most commonly encountered anomalies and providing clear guidelines for obstetric and neonatal management.