Ultrasound during pregnancy

During pregnancy, there will be several checks to take place. At the first appointment we will ask if you want to schedule an ultrasound to determine the period and to take a blood tests. In addition, during pregnancy other examinations may take place. Below you can find more information about that.

Blood test

During the first examination, we will give you a referral for a comprehensive blood test. We do this research to all pregnant women so that pregnancy can start as safe as possible. The blood is analyzed by:

    • blood group / Rhesus factor
    • irregular antibodies
    • Hb (iron content), glucose (sugar)
    • rubella (children’s disease)
    • Hepatitis B (liver disease)
    • syphilis (sexually transmitted disease)
    • HIV (sexually transmitted disease)

If you are ± 30 weeks pregnant, we will repeat the hemoglobin (iron content) test. There may always be other blood tests in pregnancy but we will also extensively discuss this with you if they apply.


During your pregnancy, you have the possibility to perform an ultrasound. There are two standard ultrasounds, the term-ultrasound and the 20-week ultrasound.

Term ultrasound

At the first check we calculate the due date based on your last period. To check whether this date is correct, we make an ultrasound. This echo is made between 10 and 12 weeks, with this results we know exactly when you’re due. We can also see if the heart is beating and whether there is a multiple pregnancy.

20-weeks ultrasound

The 20-week ultrasound is also called routine ultrasonography (SEO). The main objective of this control is investigating the possible presence of spina bifida or anencephaly. This will be an extensively monitored ultrasound where actively will be looked at the development of the organs of the child. Here, other physical abnormalities can be seen. We will also look at whether the child is growing well and that there is enough amniotic fluid.

The 20-week control echoscopy is no guarantee of a healthy child. Not all abnormalities are seen on this test at this stage. The ultrasound is not a mandatory investigation, however many parents choose to take it so they can see their baby again. If no abnormalities are seen, this can be a reassurance. When an abnormality is seen you can be faced to a difficult decision. We refer you to a specialist or hospital  to have an extended echoscopy for a second opinion. They can tell you whether there really has been a deviation and what the next steps could be.
If we find it necessary we can make additional ultrasounds for medical reasons. That can include growth ultrasounds or position ultrasounds. The position ultrasound is especially useful near the end of the term. These ultrasounds will take place at Colijnplein.