Story perspectives

CT Scans Linked to Higher Pregnancy Loss Risks

9/10/2025

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Summary

Story summary

A study involving over 5 million women in Ontario, Canada, suggests that preconception CT scans may increase risks of pregnancy loss and congenital anomalies.
Pregnancy loss risks rise by 8% for one scan, 14% for two, and 19% for three or more scans.
Congenital anomaly risks increase by 6%, 11%, and 15% for the same scan counts.
The study indicates correlation, not causation, and highlights the importance of informed consent regarding potential risks.
Experts advise considering safer imaging alternatives when feasible.

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Story summary

A study involving over 5 million women in Ontario, Canada, suggests that preconception CT scans may increase risks of pregnancy loss and congenital anomalies.
Pregnancy loss risks rise by 8% for one scan, 14% for two, and 19% for three or more scans.
Congenital anomaly risks increase by 6%, 11%, and 15% for the same scan counts.
The study indicates correlation, not causation, and highlights the importance of informed consent regarding potential risks.
Experts advise considering safer imaging alternatives when feasible.