Review advancements in prenatal screening for fetal aneuploidies. Understand Noninvasive Prenatal Testing (NIPT) methodologies for sequencing maternal/fetal DNA samples. Learn about the current ACOG/SMFM joint committee opinion on cell-free DNA screening for fetal aneuploidies. Discuss
interesting NIPT case studies and reasons for discordant results including vanishing twin, confined placental mosaicism, and maternal malignancy.