What is the threshold of completed weeks after which a pregnancy is considered prolonged?
Which of the following is true regarding calculated gestational age?
a. Underestimated if based on last menstrual period (LMP) alone
b. Overestimated if based on first-trimester sonographic examination
c. Overestimated if based on second-trimester sonographic examination and LMP compared with LMP alone
Rare fetal-placental factors associated with postterm pregnancy include which of the following?
d. Autosomal-recessive placental sulfatase overproduction
This graphic suggests which of the following regarding perinatal mortality rates (PMR)?
Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Postterm pregnancy. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 43-2.
a. PMR was lowest in 1943–1952.
b. PMR was higher in 1977–1978.
c. PMR increases after 41 weeks.
d. PMR increases after 40 weeks.
Major causes of death in postterm pregnancy include which of the following?
c. Unexplained stillbirth in diabetic patients
d. Cephalopelvic disproportion in prolonged labor
This graphic illustrates which of the following regarding perinatal mortality rates (PMR)?
Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Postterm pregnancy. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 43-3.
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