Methods
Study setting
This study was conducted at Fetal Medicine Unit of the Obstetrics and
Gynecology Department at Royal Hospital. Royal Hospital is the only
major tertiary Hospital, Muscat, the capital city of Sultanate of Oman.
The institution provides multi specialist care and considered as an
official referral center for congenital anomalies in Oman, as appointed
by the Ministry of Health.
Pregnant women who followed at obstetric antenatal clinics had a routine
anatomy scan between 18 -22 weeks of gestation, patients with high risk
can be referred even earlier for first trimester scan, according to the
obstetric history and condition. Women with antenatally diagnosed with
major congenital anomalies had antenatal follow up with Fetal Medicine
Unit. Most patients had two or more ultrasound examinations by fetal
medicine senior consultants.