"Embryonic growth discordance is a term given to a twin growth discordance occurring during the early embryonic period. It is principally manifested by a discrepancy in crown rump length. It is considered independent of the chorionicity of the twins 5."
Expected headings
"Associations"
"in the absence of aneuploidy or structural fetal abnormality, a study has suggested CRL discordance having a poor predictive value for adverse perinatal outcome in both monochorionic and dichorionic twin pregnancies; the CRL discordance is not recommended to identify twin pregnancies at high risk of adverse perinatal outcome 4"