![Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/eff390f7d96174a8324cac4b338b1303fbaf925d/4-Table4-2.png)
Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar
Fetal crown-rump length: reevaluation of relation to menstrual age (5-18 weeks) with high-resolution real-time US.
![MetroHealth Emergency Ultrasound on Twitter: "1. CRL is the most accurate measure of gestational age in early pregnancy. Accuracy decreases outside the 1st trimester as neck flexion can change the CRL measurement. MetroHealth Emergency Ultrasound on Twitter: "1. CRL is the most accurate measure of gestational age in early pregnancy. Accuracy decreases outside the 1st trimester as neck flexion can change the CRL measurement.](https://pbs.twimg.com/media/E8bVWeUXIIwsmKR.jpg)
MetroHealth Emergency Ultrasound on Twitter: "1. CRL is the most accurate measure of gestational age in early pregnancy. Accuracy decreases outside the 1st trimester as neck flexion can change the CRL measurement.
Chinese Fetal Biometry: Establishment of a Formula for Calculating Gestational Age based on Crown– Rump Length Measurements
![Grazie Pozo Christie, M.D. on Twitter: "Scenes from my day job: CRL means Crown-Rump-Length. Meaning top of fetal head to his or her little bottom. 0.7 cm, yes, that TINY. We know, Grazie Pozo Christie, M.D. on Twitter: "Scenes from my day job: CRL means Crown-Rump-Length. Meaning top of fetal head to his or her little bottom. 0.7 cm, yes, that TINY. We know,](https://pbs.twimg.com/media/Da00wz8VMAAvwnD.jpg)
Grazie Pozo Christie, M.D. on Twitter: "Scenes from my day job: CRL means Crown-Rump-Length. Meaning top of fetal head to his or her little bottom. 0.7 cm, yes, that TINY. We know,
![Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/eff390f7d96174a8324cac4b338b1303fbaf925d/4-Table4-1.png)
Table 4 from Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation | Semantic Scholar
![New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library](https://obgyn.onlinelibrary.wiley.com/cms/asset/603aab34-fd16-4aa2-825b-f06322377e7f/mfig003.jpg)
New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
![Table 7 from New first trimester crown-rump length's equations optimized by structured data collection from a French general population | Semantic Scholar Table 7 from New first trimester crown-rump length's equations optimized by structured data collection from a French general population | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7f076cb4fbb454ab3e49c3336b9ad339ba7f6a87/15-Table7-1.png)
Table 7 from New first trimester crown-rump length's equations optimized by structured data collection from a French general population | Semantic Scholar
![Evaluation of Gestation: Overview, Clinical Methods of Estimating Gestational Age, Estimating the Delivery Date Evaluation of Gestation: Overview, Clinical Methods of Estimating Gestational Age, Estimating the Delivery Date](https://img.medscapestatic.com/pi/meds/ckb/53/14353tn.jpg)
Evaluation of Gestation: Overview, Clinical Methods of Estimating Gestational Age, Estimating the Delivery Date
![New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library](https://obgyn.onlinelibrary.wiley.com/cms/asset/c3e627a7-85ee-41ee-b5ae-fd8204832552/mfig007.gif)
New crown–rump length curve based on over 3500 pregnancies - Pexsters - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
![PDF) Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation PDF) Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks' Gestation](https://www.researchgate.net/publication/230659333/figure/tbl1/AS:667188495147023@1536081541635/Continued_Q320.jpg)