A Canadian study finds more miscarriages in women who had scans before pregnancy
The miscarriage rate is higher in women who have had a computed tomography scan before pregnancy than in those who have not been exposed before conception, according to a study published in the Annals of Internal Medicine. The research includes data on more than five million pregnant women in Canada between 1992 and 2023. According to the study, the miscarriage rate increases with the number of scans: from 117 miscarriages per 1,000 pregnancies in women who have had a single test, to 142 in those who have had three or more – compared with 101 miscarriages per 1,000 pregnancies in women who have not had a previous scan.
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