Postterm Pregnancy

Question 1

Intervention at ___weeks has been shown to reduce perinatal mortality without increasing perinatal morbidity and reduces cesarean delivery rates.

Answer 1

at or shortly after 41 weeks

Question 2

What are findings on ultrasound associated with ureteroplacental insufficiency, which can be seen in 5-10% of postdates pregnancies?

Answer 2

growth restriction, oligohydramnios, placental calcifications, and fetal demise

Question 3

What are late term and postterm pregnancies associated with?

Answer 3

macrosomia, oligohydramnios, meconium aspiration, uteroplacental insufficiency and dysmaturity

Question 4

What is definition of postterm and late term pregnancy?

Answer 4

Postterm is greater or equal to 42 0/7 weeks gestation. Late term is 41 0/7 to 41 6/7 weeks gestation.

Question 5

What is fetal dysmaturity?

Answer 5

incidence approaches 10% when gestational age >43 weeks. infants display characteristics of chronic intrauterine malnutition and have long, think body, long nails, meconium stained skin and nails, dry, peeling skin and an associated small placenta; infants are at increased risk for oligohydramnios, cord compression, meconium passage, stillbirth

Question 6

what is membrane stripping?

Answer 6

digital separation of chorioamnion from lower uterine segment

Question 7

What are risks for postterm pregnancy?

Answer 7

women with previous postterm pregnancy are at 2 to 4 fold increased risk for another, nulliparity, advanced maternal age, obesity, male fetus and Caucasian women