Gestational Diabetes Screening Date Calculator
Find when the usual 24–28 week glucose test falls.
Your result
Most pregnant people are screened between 24 and 28 weeks. Your provider may test earlier if you have risk factors.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Gestational Diabetes Screening Date Calculator do?
Find when the usual 24–28 week glucose test falls. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: when is gestational diabetes test; glucose test pregnancy week; gdm screening week.