Define It
Pregnancy that lasts from 41 0/7 through 41 6/7 weeks
What is late term?
This first-trimester ultrasound measurement is the most accurate way to date a pregnancy
What is CRL?
Inhaling this fetal waste product can cause newborn breathing disorder
What is meconium?
IOL is recommended at no later than this gestational age
What is 42 6/7 weeks?
A pregnancy that has reached 42 0/7 weeks or beyond
What is postterm?
This is the most common cause of an apparently postterm pregnancy
What is inaccurate dating?
This is the most common sonographic finding of postterm pregnancy
What is oligohydramnios?
ACOG says it is reasonable to begin fetal surveillance at this gestational age
What is 41 0/7 weeks?
What is cesarean delivery?
The span from 39 0/7 to 40 6/7 weeks is known by this term
What is term?
For pregnancies conceived with ART, this date is used to assign the due date
What is embryo transfer date?
This term describes large babies seen more often in late-term and postterm pregnancy
Frequency of fetal surveillance recommended by ACOG in late term or postterm pregnancy
What is 1-2x/week?
Low risk nulliparas may be offered elective induction at this gestational age
What is 39 0/7 weeks?
ACOG PB 146 cited this percent as the 2011 US postterm incidence
At 9 0/7 to 13 6/7 weeks, redate if the LMP and ultrasound differ by more than this many days
What is 7 days?
A 2019 meta-analysis found stillbirth risk at 42 weeks was about this many times the risk at 37 weeks
What is about 30x?
Even normal fetal surveillance does not rule out this outcome
What is stillbirth?
In the ARRIVE trial, this many women needed induction at 39 weeks to prevent one cesarean delivery
What is 28?
In recent US data, about this percent of pregnancies reach 42 weeks
What is 0.25%?
A pregnancy with no confirming ultrasound before this gestational age is called suboptimally dated
What is 22 0/7 weeks?
Stillbirth rates per 1,000 births at 37 weeks versus at 42 weeks
Babies born with this syndrome after a prolonged pregnancy may display dry, peeling skin, overgrown nails, and a loss of subcutaneous fat due to a declining placenta.
What is post-maturity sydnrome?
In the ARRIVE trial, this many women needed induction to prevent one hypertensive disorder
What is 20?