 What appears to represent a crown-rump length measures 3.3 mm for an estimated sonographic age of 6 weeks 0 days and estimated date of delivery of 09/28/09.,Please note however that no fetal heart tones are seen. 
What appears to represent a crown - rump length measures 3.3 mm for an estimated sonographic age of 6 weeks 0 days and estimated date of delivery of 09/28/09.,Please note however that no fetal heart tones are seen .