The Anatomy Scan

Discuss the Anatomy Scan.
a. what are the components measured in an anatomy scan?
b. what is the optimal timing for an anatomy scan? can it be done outside this window?
c. how long does a typical anatomy scan last?
d. how accurate are anatomy scans in determining fetal sex?

71. When/Why might you order an ultrasound for the following investigations:
    a. estimated fetal weight
    b. fetal position
    c. number of fetuses
    d. fetal sex
    e. placental location
    f. amniotic fluid volume