Obstetrics Flashcards
How is maternal parvovirus B19 diagnosed during pregnancy
Serum IgG and IgM levels
How is fetal infection with Parvovirus B19 confirmed
PCR of amniotic fluid
Fetal infection with parvovirus is associated with: [3]
- spontaneous abortion
- hydrops fetalis (due to aplastic anemia)
- stillbirth
Most severe effects of maternal parvovirus infection are (before/after) 20 weeks
before
MC Complication of pyelonephritis in pregnancy
sepsis
Why does anemia occur in pyelonephritis
toxin mediated hemolysis
What is postpartum blues
Transient condition characterized by mild depressive symptoms that develop within 2-3 days of delivery and resolve within 2 weeks
What percent of women develop postpartum blues
40-80%
Selective reduction refers to
elective reduction of a multifetal gestation to a lower order (triplet to twin)
What is the benefit of multifetal reduction from triplet to twin
reduce risk of preterm birth
Complications associated with multifetal reduction
spontaneous abortion (loss of all fetuses)/ fetal loss
PPROM
What is the minimum volume of feto-aternal hemorrhage that can cause alloimmunization
0.1mL
A 300 mcg dose of RhoGAM is succificient to protect against exposure to what volume of fetal blood
30 mL fetal whole blood
15 mL fetal RBC
Women with SLE are at increased risk for complications of pregnancy
PTL
unplanned CS
FGR
Fetal demise
gHTN, preE, exlampsia
Patients with SLE are more likely to have lupus-associated complications if they have experiences a flair within _ months prior to conception
6
What is the recommended daily intake of Vit D in pregnancy
600U
What is the typical amount of Vit D in a prenatal vitamin
400U
What are fetal effects of inadequately treated maternal hyperthyroidism
IUGR
fetal tachycardia
fetal hydrops
IUFD
miscarriage
medically indicated preterm delivery
