Expanded Mendelian Screening
Expanded Mendelian Screening Mark I. Evans James D. Goldberg Katherine Johansen Taber Introduction The incorporation of new technologies into medical practice has been slower than that of other industries. Medical…
Invasive Diagnostic Procedures
Invasive Diagnostic Procedures Florencia Petracchi Silvina Sisterna Introduction Prenatal diagnostic procedures allow the detection of an increasingly broad list of fetal anomalies. By obtaining a sample of chorionic villi, amniotic…
Basic Principles of Ultrasound
Basic Principles of Ultrasound Joanne Stone Juan A. Peña Introduction Ultrasound has had a profound influence on the practice of medicine, especially in obstetrics. Since its first introduction into medicine,…
The First Prenatal Visit—Setting the Stage for Optimal Pregnancy Care
The First Prenatal Visit—Setting the Stage for Optimal Pregnancy Care Chloe M. Nielsen Anna G. Euser John C. Hobbins Introduction The initial prenatal visit can be one of the most…
Principles of Genetic Counseling in Prenatal and Perinatal Medicine
Principles of Genetic Counseling in Prenatal and Perinatal Medicine Laura Igarzábal Jeffrey A. Kuller Introduction Normal body structure and function are direct consequences of multiple gene actions that are frequently…
Infectious Disease in Pregnancy
Infectious Disease in Pregnancy Courtney J. Mitchell Brenna L. Hughes Introduction Pregnancy is a unique condition with regards to infectious disease. Due to pregnancy-induced changes in the immune system, many…
Radiation in Pregnancy
Radiation in Pregnancy Jason K. Molitoris James W. Snider Introduction Radiation is an important health concern during pregnancy for both the mother and fetus. Exposures are possible in a variety…
The Effects of Illicit Drug and Alcohol Use in Pregnancy
The Effects of Illicit Drug and Alcohol Use in Pregnancy Katrina Schafer Mark Introduction Illicit drug, alcohol, and tobacco use in pregnancy has known risks. As it is the rare…
Teratogens
Teratogens Scott A. Sullivan Barbara B. Head Introduction Congenital malformations or birth defects may be found in up to 3% of neonates.1 An additional 2% to 3% of infants may…
The Normal and Abnormal Placenta
The Normal and Abnormal Placenta Yoel Sadovsky W. Tony Parks Introduction and a Historical Perspective In eutherian mammals, the placenta forms the interface between the fetus and the mother, providing…
