Diagnosis of chorionicity: The role of ultrasound | Diagnóstico Prenatal
ULTRASOUND IN THE FIRST TRIMESTER
Phil and Alex on Twitter: "I prayed for more than just a gestational sac (even though that's all we would need to see). Yolk sac made its first glimmer of appearance! I
Diagnosis and Characterization of Multiple Gestations | Radiology Key
Early Pregnancy Ultrasound Assessment of Multiple Pregnancy | IntechOpen
Diagnosis and Characterization of Multiple Gestations | Radiology Key
Yolk sac number does not predict reliably amnionicity in monochorionic twin pregnancies: a case of a monochorionic monoamniotic twin pregnancy with two distinct yolk sacs on early first‐trimester ultrasound - Corbett -
Monochorionic monoamniotic twin pregnancies with two yolk sacs may not be a rare finding: a report of two cases - Murakoshi - 2010 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library