Prospective determination of chorionicity, amnionicity, and zygosity in twin gestations

The “twin peak” sign: reliable evidence of dichorionic twinning

Harris J. Finberg · Journal of Ultrasound in Medicine · 1992 · 146 citations

Dichorionic Twinning, Developmental Biology, Cell Division +14

The pathology of the human placenta

Ralph M. Wynn · American Journal of Obstetrics and Gynecology · 1968 · 124 citations

Embryology, Human Placenta, Gynecology +10

Ultrasonographic criteria for the prenatal diagnosis of placental chorionicity in twin gestations

Hung N. Winn, S. Gabrielli, E. Albert Reece et al. · American Journal of Obstetrics and Gynecology · 1989 · 107 citations

Obstetric Imaging, Twin Gestations, Diagnosis +11

Amnionicity and chorionicity in twin pregnancies: prediction using ultrasound.

B S Mahony, Roy A. Filly, P W Callen · Radiology · 1985 · 102 citations

Obstetric Imaging, Fertility, Reproductive Health +18

Membrane thickness in ultrasound prediction of chorionicity of twin gestations.

Rosemary Townsend, Gary F. Simpson, Roy A. Filly · Journal of Ultrasound in Medicine · 1988 · 84 citations

Ultrasound Prediction, Obstetric Imaging, Twin Gestations +12