"revised RCOG recommendation for CRL beyond which a fetal heartbeat should be seen (ASUM criteria in process of revision)."
"revised RCOG recommendation for upper limit MSD beyond which a fetal pole should be seen (ASUM criteria in process of revision)."
"upper limit for mean sac diameter on a trans-abdominal scan beyond which a yolk sac should be seen for viable pregnancy"
"accepted upper limit for an endometrial thickness following a DC/STOP procedure beyond which the diagnosis of retained products of conception should be considered"
"maximal CRL beyond which a fetal heart rate should be seen for a viable pregnancy under ASUM criteria"
"revised RCOG recommendation for CRL beyond which a fetal heartbeat should be seen (ASUM criteria in process of revision)."
"revised RCOG recommendation for CRL beyond which a fetal heartbeat should be seen (ASUM criteria in process of revision)."
"considered by some as the upper limit of normal for gestational sac diameter (MSD) on a transvaginal scan beyond which a fetal pole should be seen for viable pregnancy (ASUM criteria)"
"revised RCOG recommendation for upper limit MSD beyond which a fetal pole should be seen (ASUM criteria in process of revision)."
"revised RCOG recommendation for upper limit MSD beyond which a fetal pole should be seen (ASUM criteria in process of revision)."