Screening for Down's syndrome will happen at the dating scan if: The screening test for Down's syndrome used at this stage of pregnancy is called the combined test.The combined test involves a blood test and measuring the fluid at the back of the baby's neck (nuchal translucency) with an ultrasound scan.With multiple pregnancies, they can be firmly diagnosed and dates and growth can also be assessed. Further scans may be necessary if abnormalities are suspected.Most parents look forward to their scans because it gives them an early glimpse of their baby.To explain some of those results, a 'Level II' study was performed.A scan is performed at 18 to 20 weeks when the fetus is large enough for an accurate survey of the fetal anatomy, and when dates and growth can also be assessed.If a problem is detected whilst we do not wish to worry you about your pregnancy we think it is important for you to have the knowledge that you will be looked after carefully and professionally.If a problem is detected during your scan we will discuss the findings with you in a sensitive way and provide you with as much information as we can.
Your midwife or doctor will book you a dating scan appointment.
If you would like some reassurance that your pregnancy is progressing well, then you may wish to book our early dating / reassurance scans which are available at Babyvision from as early as 6 weeks gestation.
We will check the gestational age of your baby by measuring from the top of your baby’s head to your baby’s bottom. This measurement can be used accurately up to 14 weeks gestation.
If you’re looking to make your scan a family occasion, our reassurance and bonding type appointments are great for this.
Most clinics can comfortably accommodate at least 5 guests including children plus yourself.