International standards for early fetal size and pregnancy dating based on ultrasound measurement of crown–rump length in the first trimester of pregnancy - Papageorghiou - 2014 - Ultrasound in Obstetrics & Gynecology -
Crown-rump Length Calculator | CRL
Measurement of CRL at (a) 6 weeks and (b) 13 weeks. | Download Scientific Diagram
International standards for early fetal size and pregnancy dating based on ultrasound measurement of crown–rump length in the first trimester of pregnancy - Papageorghiou - 2014 - Ultrasound in Obstetrics & Gynecology -
Reference intervals of gestational sac, yolk sac, embryonic length, embryonic heart rate at 6–10 weeks after in vitro fertilization-embryo transfer | BMC Pregnancy and Childbirth | Full Text
Relationship between GA and embryonic CRL, embryonic HR, mean GSD and... | Download Table
Chart Plotting in Pregnancy
Estimating Fetal Gestational Age | Radiology Key
OB Images
Relationship between GA and embryonic CRL, embryonic HR, mean GSD and... | Download Table
International standards for early fetal size and pregnancy dating based on ultrasound measurement of crown–rump length in the first trimester of pregnancy - Papageorghiou - 2014 - Ultrasound in Obstetrics & Gynecology -