RNSG 1251OB Exam 2 Notes. CH 10 ASSESSMENT OF HIGH-RISK PREGNANCYCORRECT ANSWERS

I. Assessment of Risk Factors A. Biophysical factors 1. Genetic considerations a) Defective genes b) Transmissible inherited disorders c) Chromosomal anomalies d) Multiple gestation e) Large fetal size f) ABO incompatibility 2. Nutritional Status a) Young age b) Three pregnancies in the previous 2 years c) Tobacco, alcohol, or drug use d) Inadequate or excessive weight gain e) Hematocrit value less than 33% 3. Medical and Obstetric Disorders a) Polyhydramnios i. Poorly controlled DM ii. Fetomaternal hemorrhage iii. Fetal congenital anomalies (e.g. GI obstruction, CNS abnormalities) iv. Genetic disorders v. Twin-twin transfusion syndrome b) Intrauterine Growth Restriction i. Maternal Causes  Hypertensive disorders  Pregestational diabetes  Cyanotic heart diseases  Autoimmune disease  Restrictive pulmonary disease  Multifetal gestation  Malabsorptive disease/malnutrition  Living at a high altitude  Tobacco/substance abuse ii. Fetal Causes  Genetic disorders  Teratogenic exposure  Fetal infection c) Oligohydramnios i. Renal agenesis (Potter syndrome) ii. Premature rupture of membranes