Human chorionic gonadotropin rise in normal and vanishing twin pregnancies

The “vanishing twin”: Ultrasonographic assessment of fetal disappearance in the first trimester

Helain J. Landy, Stuart Weiner, Stephen L. Corson et al. · American Journal of Obstetrics and Gynecology · 1986 · 215 citations

Medicine, Gynecology, Obstetrics +13

Secretory rates of human chorionic gonadotropin by normal trophoblast

Glenn D. Braunstein, Jay M. Grodin, Judith L. Vaitukaitis et al. · American Journal of Obstetrics and Gynecology · 1973 · 130 citations

Medicine, Endocrinology, Obstetrics +10

Ultrasonic assessment of the high rate of human multiple pregnancy in the first trimester

Sabine Lévi · Journal of Clinical Ultrasound · 1976 · 112 citations

Medicine, Maternal Health, Obstetrics +16

SONAR EVIDENCE OF EARLY PREGNANCY FAILURE IN PATIENTS WITH TWIN CONCEPTIONS

Hugh P. Robinson, Judy Caines · BJOG An International Journal of Obstetrics & Gynaecology · 1977 · 89 citations

Medicine, Maternal Health, Obstetrics +9

Clinical and morphologic aspects of the vanishing twin phenomenon.

E. Jauniaux, N Elkazen, Fernand Leroy et al. · PubMed · 1988 · 73 citations

Medicine, Obstetrics, Pathology +17