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. Author manuscript; available in PMC: 2021 Sep 27.
Published in final edited form as: J Ultrasound Med. 2016 Apr 18;35(5):1043–1066. doi: 10.7863/ultra.16.01082

Figure 2:

Figure 2:

Apical four-chamber view with the fetal spine positioned at different locations: A) 7 o’clock; B) 6 o’clock; C) 5 o’clock. Such positions reduce the possibility of acoustic shadowing from the fetal ribs or spine.