Obstetrics and Gynecology Board Review Pearls of Wisdom
188 Obstetrics and Gynecology Board Review ••• ❍ How might the measurement of amniotic fluid volume be artificially increased? B ...
••• Chapter 18^ Amniotic Fluid^189 ❍ What is the most common cause of oligohydramnios? Premature rupture of the membranes. ❍ Wha ...
190 Obstetrics and Gynecology Board Review ••• ❍ What is a common fetal heart rate tracing finding in patients with oligohydramn ...
••• Chapter 18^ Amniotic Fluid^191 ❍ What AFI is consistent with polyhydramnios? 25 cm, or greater than 95th percentile for a p ...
192 Obstetrics and Gynecology Board Review ••• ❍ What are two therapeutic options that might ameliorate polyhydramnios? Therape ...
193 The Placenta and Umbilical Cord Chapter 19 Chelsea Ward, MD DEVELOPMENT ❍ What cell is the precursor of the placenta? Tropho ...
194 Obstetrics and Gynecology Board Review ••• ❍ When does the placenta become the major source of progesterone? 7 to 9 weeks. ❍ ...
••• Chapter 19^ The Placenta and Umbilical Cord^195 MULTIPLE GESTATION ❍ Name the two types of twin placentation. Monochorionic ...
196 Obstetrics and Gynecology Board Review ••• ❍ What is different about the dividing membranes of DiMo versus DiDi twins? In Di ...
••• Chapter 19^ The Placenta and Umbilical Cord^197 ❍ What is the average length of the umbilical cord? 60 cm. ❍ What length is ...
198 Obstetrics and Gynecology Board Review ••• ❍ Where is the preferred site for ultrasound-guided cordocentesis? The umbilical ...
••• Chapter 19^ The Placenta and Umbilical Cord^199 ❍ What conditions are associated with small placentas? Maternal hypertension ...
200 Obstetrics and Gynecology Board Review ••• ❍ What is the incidence of placenta previa in nulliparas at the time of delivery? ...
••• Chapter 19^ The Placenta and Umbilical Cord^201 ❍ What are the complications of placenta previa? Longer hospital stay, cesar ...
202 Obstetrics and Gynecology Board Review ••• ❍ What is the definition of abruptio placentae? Premature separation of the norma ...
••• Chapter 19^ The Placenta and Umbilical Cord^203 ❍ What is the recurrence risk of placental abruption? 5% to 16%; 25% if prec ...
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205 Chapter 20 Rh Alloimmunization Jennifer Deirmengian, MD ❍ What is Rh factor? Rh refers to the immunogenic D antigen, an eryt ...
206 Obstetrics and Gynecology Board Review ••• ❍ What percentage of Rh-positive individuals are heterozygous? Among whites, appr ...
••• Chapter 20^ Rh Alloimmunization^207 ❍ What are some common clinical factors associated with an increased risk of a substanti ...
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