What is the right length of hc, ac and fl foetal of 19 weeks 4 days?
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The most common are:
Gestational Sac:
Embryonic Crown-Rump Length:
Biparietal diameter (BPD):
The BPD best used after 12 weeks. Accuracy is +/- 1.1 week 14 - 20 weeks, +/- 1.6 weeks 20 - 26 weeks, +/- 2.4 week 26 - 30 weeks, and +/- 3 - 4 weeks after 30 weeks.
Femur Length:
Gestational Sac:
Embryonic Crown-Rump Length:
Biparietal diameter (BPD):
The BPD best used after 12 weeks. Accuracy is +/- 1.1 week 14 - 20 weeks, +/- 1.6 weeks 20 - 26 weeks, +/- 2.4 week 26 - 30 weeks, and +/- 3 - 4 weeks after 30 weeks.
Femur Length:
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