Book excerpt: Genetic Screening and Counseling is reviewed in this issue of Obstetrics and Gynecology Clinics, guest edited by Drs. Anthony R. Gregg and Joe Leigh Simpson. Authorities in the field have come together to pen articles on Contemporary Genetics Counseling: New Frontiers and Challenges, Newborn Screening, SMA Carrier Screening, Fragile X, Ashkenazi Jewish Screening in the 21st Century, Thrombophilia in Obstetric Practice, Microarrays in the Practice of Obstetrics and Gynecology, Cancer Genetic Screening, and Cystic Fibrosis.