Sonographic Evaluation of the Maternal Uterine Cervix

Hassan Andrade Romero Sonia Hassan, MD
Perinatology Research Branch of NICHD/NIH/DHHS
Wayne State University School of Medicine
Bethesda, MD and Detroit, MI

Edgar Hernandez Andrade, MD
Perinatology Research Branch of NICHD/NIH/DHHS
Wayne State University School of Medicine
Bethesda, MD and Detroit, MI

Roberto Romero, MD, DMedSci
Perinatology Research Branch
Division of Obstetrics and Maternal-Fetal Medicine
Intramural Division, NICHD, NIH, DHHS
Detroit, MI