What can be said regarding birthweight in the United States?
a. All low-birthweight neonates are born preterm.
b. Of low-birthweight neonates, 3% are born at term.
c. The percentage of low-birthweight neonates has been decreasing since the mid-1980s.
Given the graphic below, what can be said regarding the velocity of fetal growth at different gestational ages?
Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Fetal growth disorders. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 44-1.
a. At 24 weeks’ gestation, growth averages 5 g/day.
b. At 34 weeks’ gestation, growth averages
c. There is considerable variation in the velocity of fetal growth.
Elevated C-peptide levels are associated with which of the following?
c. Fetal-growth restriction
Amino acids undergo which type of transport from maternal to fetal circulation?
This graph depicts the relationship between birthweight percentile and perinatal mortality and morbidity rates. Below which threshold value of birthweight percentile do perinatal mortality rates increase most rapidly?
Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Fetal growth disorders. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 44-3.