You stay in control
Your date is never stored or sent. Explore everything without an account.
FOR YOU. FOR BOTH OF YOU. FROM THE START.
Something special is growing. BuikMaatje grows with you — bringing clarity, a little calm, and a companion along the way.
Your date stays in your browser. No account needed.
An estimate based on 40 weeks. Period calculation assumes a 28-day cycle. Your midwife confirms your pregnancy dating.

A first glimpse of your future companion
YOUR PREGNANCY, TODAY
Explore your week with your companion40 WEEKS. A THOUSAND LITTLE MOMENTS.
From that first test to your first meeting. Explore the milestones at your own pace.
Week 8
A positive test can bring many emotions. Find a midwife (verloskundige) and write down your questions. You don’t have to know everything yet.
Choose a midwife · Arrange kraamzorg early
Start arranging practical matters early.
View the source (new window)MEET BUIKMAATJE
Sometimes you need information. Sometimes a little reassurance. Try a glimpse of a week with your companion.
Interactive website preview · prewritten, source-linked answers

Week 18. Shall we explore together?
If you choose a 20-week scan, it takes place between 18 and 21 weeks. Ask your midwife about arranging it. Check that your kraamzorg registration is in place.
View the sourceA preview, not medical advice. If worried, contact your care provider.
FEEL AT HOME
Midwives, kraamzorg, scans. Your Dutch care journey starts here.
Liever Nederlands? Ontdek BuikMaatje en je zwangerschapsreis in het Nederlands.
CALM STARTS WITH TRUST
Your date is never stored or sent. Explore everything without an account.
Care milestones link to PNS/RIVM and De Verloskundige. You can see where the information comes from.
This website provides general information. Your companion does not diagnose or replace a midwife or doctor.
Not yet. BuikMaatje is in development. This website is a preview. There is no confirmed release date.
No. Select a topic to see prewritten information for the stage you are exploring. It cannot assess medical questions.
We count backwards from 40 weeks using your due date. For a last period, we add 280 days to its first day, assuming a 28-day cycle. This is an estimate; your midwife confirms pregnancy dating.
For pregnant people and their partners in the Netherlands, whether this is your first pregnancy or you have been here before.
WE’RE JUST GETTING STARTED
Help shape BuikMaatje when testing begins. Our first test group and the app are still in preparation.
Registration is not open yet. We are not collecting email addresses here. Check back for our first test group.
Explore your week while you wait