200
Participants
Start Date
June 30, 2015
Primary Completion Date
December 31, 2015
Study Completion Date
January 31, 2016
ultrasound
trans abdominal or trans vaginal ultrasound to detect some of the soft markers of trisomy screening
antenatal clinic of Armed Forces Hospital, Southern Region, Khamis Mushait
Armed Forces Hospitals, Southern Region, Saudi Arabia
OTHER_GOV
Benha University
OTHER