ServicePeriod of PregnancyDescription Average duration of ScanThroughput time for Patient (time between entering and exiting the clinic)Report Turn Around Time (time given are estimates for normal reports only)
A. Fetal Scans
1. Viability Scan Less than 11 weeksIndicated in most high-risk situations
To ascertain location, number and viability of the embryo
15min60 min30 min
2. First Trimester Screening 11 weeks - 13 weeks 6 days (Crown rump length 45 - 84 mm)This is a major fetal examination: a detailed structural examination and measurement of nuchal translucency40 min; delay if fetal position is unfavorable90 minNext day
3. Early Pregnancy Anomaly Scan (EPAS)16 - 18 weeksDetailed evaluation of the fetal structures: Usually indicated in high risk situations or when FTS was missed40 min90 min2 hours
4. Systematic detailed Target Scan19 - 23 weeks Fetal Size, Fetal Activity, Fetal Anatomy, Fetal Environment, and Cervical Assessment40-50 min; delay if suboptimal position or poor penetration of ultrasound waves90 min if no abnormalities detected2 hours
5. Fetal Echocardiography16 - 24 weeks Detailed segmental study of the fetal heart: Done along with EPAS or Target Scan, additional 15 minAlong with the main scan2 hours
6. Growth SurveillanceDecided by the clinical circumstanceFetal wellbeing assessment: Liquor, activity, Size, blood flow assessment25 min depending on fetal condition90 min1 hour
7. Prenatal Surveillance of Twins (Monochorionic and Dichorionic protocols)For monochorionic, starting at 16 weeks - every 2 weeks
For Dichorionic, starting at 20 weeks - every 4 weeks
Twins have unique set of challenges and need a different level of surveillance60 min90 min3 hours
B. Down Syndrome Screening
1. First trimester combined screening test11weeks - 13 weeks 6 days [CRL 45 - 84 mm]Assesses the chance of baby having Down syndrome in your particular case;
Offered to all eligible pregnancies
In addition to the first trimester screening scan, blood will be drawn90 min
2. Quadruple screening test16 - 21 weeks [BPD 32 - 54mm]Offered to women who missed the FTS Before drawing blood, fetal head size will be noted.
5-10 min
90 min7 days
3. Non-invasive screening by fetal DNA10 weeks - 18 weeksA highly sensitive screenig test using baby's DNA that is found in mother's blood. Pretest counseling is mandatoryBlood draw.
A detailed EPAS or Target scan as per gestation is mandatory
90 min14 working days
C. Fetal Diagnostic Interventions
Chorionic Villus Sampling11 weeks - 14 weeksThe placental cells are sampled. 30 minHalf a day - including 30 min of observation and 3 hours of in-clinic rest2 or 3 weeks
Amniocentesis16 weeks and laterAmniotic fluid is sampled30 min---do----- do ---
Fetal Blood Sampling22 weeks and laterFetal blood is drawn30 min--- do----- do ---
D. Fetal Therapeutic Procedures Any period of pregnancyIntervention depending on the fetal condition1 - 2 hours One day 3 hours after end of procedure
E. Others
1. Prenatal Genetic CounselingAny timeDetailed discussion about the chance of a genetic / inherited condition being passed onto baby and how to diagnose 20-30 min 90 min2 hours
2. Preeclampsia Screening11 weeks - 13 weeks 6 daysAssessing the chance of mother developing a disease called PreeclampsiaUsually done in addition to FTS. Maternal uterine artery blood flow evaluation and additional factors in blood are tested90 minNext day
3. Mullerian Defects evaluation by 3D transvaginal scanNon Pregnant stateEvaluates the structure of the Uterus to diagnose anomalies of formation of uterus15 min90 min2 hours
4. IOTA assessment for Ovarian tumorsNon Pregnant stateAssessing the chance of ovarian tumor being malignant using IOTA method20 min90 min2 hours