Prenatal Diagnostics: Invasive testing, noninvasive testing, and rising maternal screening methods for preeclampsia and preterm labo @ br New to insight Pharma Reports is Prenatal Diagnostics: Invasive testing, noninvasive testing, and rising maternal screening methods for preeclampsia and preterm labor. This report discusses improvements in invasive procedures (karyotyping vs. cytogenetics), and the rise of noninvasive screening methods and their impact on prenatal healthcare. Although covering standard invasive procedure, this report focuses on the noninvasive technologies either on the market or in development.