What happens during the first ultrasound? Everything you need to know
9 min.
During your pregnancy
March 29, 2025
The key take-aways:
- Purpose of the first ultrasound
The first ultrasound determines exactly how long you have been pregnant, your due date and checks that everything is going well.
- What to expect during the ultrasound
You will usually receive an external ultrasound, but sometimes an internal ultrasound is used to get a clearer image of your baby.
- Practical preparation and emotions
Take someone with you to the ultrasound, be prepared for possible emotions and wear comfortable clothing.
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First ultrasound: a special moment
The first ultrasound during your pregnancy is a special and exciting moment. For many parents it is the first time they see their baby, which is a unique experience. But what exactly happens during this first appointment, and how do you prepare for it? In this article you can read everything you need to know about your very first ultrasound, so you can go to your appointment relaxed and well-informed.
When will you have the first ultrasound?
The first ultrasound usually takes place between the 8th and 12th week of your pregnancy. This is also called the dating ultrasound. The main reason for this ultrasound is to determine exactly how long you have been pregnant and to determine your due date. Sometimes an ultrasound is done earlier, for example in case of bleeding or other complaints. Your midwife will determine the best time for the first ultrasound in consultation with you.
How exactly does the first ultrasound work?
During the first ultrasound you will usually receive an external ultrasound, in which the sonographer or midwife applies gel to your belly and then moves a small device (transducer) over your belly to make images of your baby. Because your child is still very small, it may sometimes be necessary to perform an internal ultrasound. A narrow transducer is inserted vaginally, making your child more visible. This can be a little uncomfortable, but it does not hurt and usually does not take long.
What can you see during the first ultrasound?
You will already see a surprising amount during the first ultrasound. Although your child is still small, you can usually clearly see its heart beating, which is an emotional and touching moment for many parents. In addition, the ultrasound technician checks the size of your baby to determine exactly how far along you are in your pregnancy. Often you can already clearly see the head, the body and small, beginning arms and legs. The ultrasound also determines whether you are carrying one child or perhaps twins.
Why is this first ultrasound important?
The first ultrasound is important for several reasons. First of all, it determines exactly how many weeks pregnant you are and when your due date is. This forms the basis for further check-ups during your pregnancy. The sonographer will also check that everything looks healthy and good. Although your child is still small and not all details are visible yet, this first ultrasound will provide valuable information about the development and health of your pregnancy.
Preparing for your first ultrasound
You do not need to prepare specifically for the first ultrasound, but it can be useful to know some practical things in advance. For an external ultrasound it is useful to come to the appointment with a reasonably full bladder; this helps to get better images. Also wear clothes that can be easily raised or lowered, so that your belly is easily accessible. It is also nice to bring someone with you, such as your partner or a family member, so that you can enjoy this beautiful moment together.
Emotions and expectations during your first ultrasound
Many pregnant women look forward to their first ultrasound, but can also feel nervous or insecure. This is completely normal. Seeing and hearing the beating heart suddenly makes your pregnancy very tangible and often causes emotional moments. Don't worry if you feel emotional during the ultrasound; it is completely understandable that seeing your baby can trigger all kinds of feelings. Give yourself the space to enjoy this and to ask your midwife or ultrasound technician any questions you may have.
After the first ultrasound: what happens next?
After your first ultrasound, the sonographer or midwife will discuss the findings with you immediately. You will be told exactly how far along you are, what your due date is, and you will often be given a photo of the ultrasound to take home as a reminder of this special moment. After this, a follow-up appointment will be made for your next check-ups. If anything abnormal is seen, the midwife will discuss what this means and what the next steps may be.
The first ultrasound is therefore an important and special moment in your pregnancy, when you can see and hear your baby for the first time. By going to this appointment well prepared and relaxed, you can turn this special experience into something unforgettable.
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