Results
Study population characteristics
The participants had a mean age of 29.9 ± 3.6 years and
pre-pregnancy BMI of 21.9 ± 3.5 kg/m2 (Table 1). Approximately,
28.8% of subjects took iron containing dietary
supplements. The mean gestational age at the time of
ultrasound measurement, fetal biparietal diameters, abdominal
circumferences, and femur lengths were 20.0 ±
3.4 weeks, 4.8 ± 1.1 cm, 16.6 ± 3.8 cm and 3.3 ± 1.0 cm,
respectively.