Drug Safety in Pregnancy (TGA Category)
Look up the Australian TGA pregnancy category for common medicines, with trimester notes and safer alternatives — always confirm with your obstetrician.
✓ Reviewed by Dr. Poonam Sekhon Chahal · 24 May 2026
How this is calculated
A lookup of the Australian TGA pregnancy category for each drug (A safest → X contraindicated), with the category definition and trimester-specific guidance. The TGA system replaced the retired FDA A/B/C/D/X letters.
Sources
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.