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Prenatal infectious disease screening (e.g., HIV, HBV, syphilis)

Pregnancy

PregnancyOnce per pregnancy (timing varies; sometimes repeated based on risk)5–10 minutes

Prenatal infection screening uses blood tests to protect both parent and baby (commonly HIV, hepatitis B, syphilis).

Guidance for your location

Location
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Recommended Age
Pregnancy
Frequency
Once per pregnancy (timing varies; sometimes repeated based on risk)
Duration
5–10 minutes

Overview

Early prenatal care commonly includes blood tests that screen for infections which can affect pregnancy and the newborn (often HIV, hepatitis B, and syphilis). Exact panels, timing, and whether repeat testing is recommended can vary by province and clinical situation. When infections are detected, treatment and prevention steps can greatly reduce risks.

Who Should Get This Screening

  • Most pregnant people as part of routine early prenatal bloodwork.
  • Repeat testing later in pregnancy may be recommended based on risk factors or local practice.

What to Expect

A blood test panel (often drawn at the same time as other early prenatal labs).

How to Prepare

Follow these tips to prepare for your screening

  • No special preparation.

Benefits

  • Detects treatable infections early.
  • Supports steps that reduce parent-to-baby transmission.
  • Provides a clear follow-up pathway when results are abnormal.

Things to Consider

  • Minor discomfort or bruising from blood draw.
  • False positives can occur and require confirmatory testing.
  • A positive result can be stressful; counseling and treatment are available.

Guideline Source: Prenatal care

This information is provided for educational purposes only and should not replace professional medical advice. Always consult with your healthcare provider for personalized recommendations.