Pregnancy
1st Trimester Ultrasound, Less than 12 weeks
Chorionic Villus Sampling (CVS)
11-13 weeks
Nuchal Translucency Ultrasound
11.5 - 14 weeks (12.5 preferred)
Down Syndrome risk assessment
Amniocentesis from 15 weeks
2nd Trimester (morphology scan)
18.5 - 20 weeks (19 preferred)
3rd Trimester (growth and welfare)
22 weeks to birth
Prenatal Diagnosis
Endometrial assessment including Sonohysterography
Tubal patency assessment (HY-CO-SY)
Common reasons for assessment
- Unexplained bleeding in early pregnancy
- Lower abdominal pain in early pregnancy
- Severe nausea and vomiting in early pregnancy
- Possible miscarriage or ectopic pregnancy (tubal pregnancy)
- Reassurance following a previous miscarriage or ectopic pregnancy
- To date a pregnancy and check for the presence of a heartbeat
- To determine the number of foetuses
Information we would like you to bring
- The date of the first day of your last menstrual period and whether it was unusually light or heavy
- Referral form from your doctor
