Prenatal tests: understand the choice and the next step
Everyday care
Prenatal tests: understand the choice and the next step
Sources checked · Editorial guide

A pregnancy test appointment can come with unfamiliar abbreviations, a booking deadline and several decisions at once. This guide helps you organise the conversation. It explains useful distinctions and questions, rather than recommending a particular test for you. Your care team can explain which options fit your pregnancy, where you live and what information you want.
Ask what kind of test is being offered
Prenatal care may include blood tests, ultrasound and screening for different health concerns. These do not all answer the same question. Public Health Agency of Canada guidance emphasises explaining the purpose, benefits, limitations and choices around investigations. Ask which condition or question a proposed test addresses and how its result would affect your care. [1]
Write the actual test name on your appointment note. “The blood test” can refer to several different things. Ask whether it is routine monitoring, screening that estimates a chance, or a diagnostic investigation. If the explanation includes an unfamiliar term, ask for an example in ordinary language before moving on.
A useful opening is: “I want to understand this before deciding. What will it tell us, and what will it not tell us?” There is no need to pretend an abbreviation is familiar. Understanding the purpose is more helpful than collecting a list of test names without context.
Separate screening from diagnosis
A screen-positive result is not the same as a diagnosis. Prenatal Screening Ontario explains that a positive chromosome-screening result indicates an increased chance and may lead to discussion of further screening, diagnostic testing or no further testing. Its funding and pathways are specific to Ontario; ask about the process in your own province or territory. [2]
Diagnostic tests such as chorionic villus sampling and amniocentesis can provide more definite information about the chromosome differences they test for. They involve different procedures, timing, limitations and risks. A qualified professional should explain these before a decision. No single test can rule out every possible health or developmental condition. [3]
When results are discussed as a number, ask what the number means in the same format throughout the conversation. Ask whether it is an estimate, which condition it refers to and what uncertainty remains. Avoid comparing numbers from different tests in an online calculator without professional interpretation.
Make room for your own priorities
Think about what you hope information would help you do: prepare for care, decide whether to consider another test, arrange support or understand a finding. Different families may reach different decisions after hearing the same explanation. You can ask questions without committing to an option immediately.
If you want a partner or support person involved, arrange that with your permission. Ask for an interpreter or accessible information when needed. Private questions can be discussed without a relative in the room. A conversation is more useful when you can participate in a language and format you understand.
Try writing two lists: “Information I want” and “Things I am unsure about”. Bring both. This is a decision aid you create for yourself, not a way to decide medical eligibility or calculate risk at home.
Check timing and practical arrangements
Ask when a decision or booking is needed and why. Find out who sends the requisition, where the test happens and whether preparation is required. Confirm what is publicly funded, what might cost extra and whether a fee is optional before agreeing to a paid test.
Keep a small appointment record with the test name, date, location and contact for questions. If you are waiting for a booking, ask when to follow up. A test discussed in an appointment is not necessarily already arranged. This is particularly worth clarifying if you receive care from more than one service.
For travel, work or childcare constraints, tell the clinic early. Ask whether appointments can be coordinated or whether a different available time still fits the test requirements. Do not change preparation instructions based on another person’s experience with a similarly named test.
Agree how results will reach you
Before testing, ask who will explain the result, how you will be contacted and when. Check what to do if no result arrives. “No news” should not become your only follow-up plan. If results appear in a portal first, ask how to arrange an explanation of a confusing or unexpected finding.
If you receive a result you do not understand, contact the service named on the report or your pregnancy provider. Record the questions you have rather than making a major decision from the report heading. Ask whether a genetic counsellor or another specialist can help explain the options.
A question list to take with you
- What does this particular test look for?
- Is this screening or diagnosis, and what uncertainty remains?
- What are the benefits, limitations and risks for this procedure?
- What choices would follow each possible result?
- What is the timing, preparation and cost?
- Who explains the result, and when should I follow up?
If the conversation feels rushed
Say which part is still unclear and ask how to get it explained before deciding. You might ask for written information or a follow-up call. If a time limit affects your options, ask the provider to explain that clearly. The goal is an informed conversation with appropriate support, not a decision made to finish a form quickly.
Sources and further reading
Our practical examples and planning tools are original editorial suggestions. Health and safety points are linked to the Canadian sources below. Checked October 20, 2026; this article has not been medically reviewed.
General education for parents and caregivers. These guides do not assess your child or replace care from a qualified professional. For advice about your pregnancy or child, contact your care team.


