Service | Period of Pregnancy | Description | Average duration of Scan | Throughput 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 weeks | Indicated in most high-risk situations To ascertain location, number and viability of the embryo | 15min | 60 min | 30 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 translucency | 40 min; delay if fetal position is unfavorable | 90 min | Next day |
3. Early Pregnancy Anomaly Scan (EPAS) | 16 - 18 weeks | Detailed evaluation of the fetal structures: Usually indicated in high risk situations or when FTS was missed | 40 min | 90 min | 2 hours |
4. Systematic detailed Target Scan | 19 - 23 weeks | Fetal Size, Fetal Activity, Fetal Anatomy, Fetal Environment, and Cervical Assessment | 40-50 min; delay if suboptimal position or poor penetration of ultrasound waves | 90 min if no abnormalities detected | 2 hours |
5. Fetal Echocardiography | 16 - 24 weeks | Detailed segmental study of the fetal heart: | Done along with EPAS or Target Scan, additional 15 min | Along with the main scan | 2 hours |
6. Growth Surveillance | Decided by the clinical circumstance | Fetal wellbeing assessment: Liquor, activity, Size, blood flow assessment | 25 min depending on fetal condition | 90 min | 1 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 surveillance | 60 min | 90 min | 3 hours |
B. Down Syndrome Screening | |||||
1. First trimester combined screening test | 11weeks - 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 drawn | 90 min | |
2. Quadruple screening test | 16 - 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 min | 7 days |
3. Non-invasive screening by fetal DNA | 10 weeks - 18 weeks | A highly sensitive screenig test using baby's DNA that is found in mother's blood. Pretest counseling is mandatory | Blood draw. A detailed EPAS or Target scan as per gestation is mandatory | 90 min | 14 working days |
C. Fetal Diagnostic Interventions | |||||
Chorionic Villus Sampling | 11 weeks - 14 weeks | The placental cells are sampled. | 30 min | Half a day - including 30 min of observation and 3 hours of in-clinic rest | 2 or 3 weeks |
Amniocentesis | 16 weeks and later | Amniotic fluid is sampled | 30 min | ---do-- | --- do --- |
Fetal Blood Sampling | 22 weeks and later | Fetal blood is drawn | 30 min | --- do-- | --- do --- |
D. Fetal Therapeutic Procedures | Any period of pregnancy | Intervention depending on the fetal condition | 1 - 2 hours | One day | 3 hours after end of procedure |
E. Others | |||||
1. Prenatal Genetic Counseling | Any time | Detailed discussion about the chance of a genetic / inherited condition being passed onto baby and how to diagnose | 20-30 min | 90 min | 2 hours |
2. Preeclampsia Screening | 11 weeks - 13 weeks 6 days | Assessing the chance of mother developing a disease called Preeclampsia | Usually done in addition to FTS. Maternal uterine artery blood flow evaluation and additional factors in blood are tested | 90 min | Next day |
3. Mullerian Defects evaluation by 3D transvaginal scan | Non Pregnant state | Evaluates the structure of the Uterus to diagnose anomalies of formation of uterus | 15 min | 90 min | 2 hours |
4. IOTA assessment for Ovarian tumors | Non Pregnant state | Assessing the chance of ovarian tumor being malignant using IOTA method | 20 min | 90 min | 2 hours |