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(a) 23-year-old healthy pregnant and 21-week-old fetus. Standardized abdominal circumference view, between calipers, fetal subcutaneous fat thickness is seen (2 mm). (b) 35-year-old pregnant with gestational diabetes mellitus and 21-week-old fetus. Standardized abdominal circumference view, between calipers, fetal subcutaneous fat thickness is seen (2.1 mm)
