It is known that previous pregnancy decreases the risk of breast cancer. But a new dissertation from the Karolinska Institutet in Sweden shows that even brief pregnancies terminated prior to full term can have a certain preventive effect. The results could not confirm several earlier studies showing that the risk of developing breast cancer increases among individuals who have had an abortion.
It has long been known that pregnancy has a preventive effect against breast cancer, but it is not known why. At the same time, several studies have indicated that abortions or miscarriages seem to increase the risk of breast cancer. This is refuted by a new dissertation from the Department of Medical Epidemiology and Biostatistics at the Karolinska Institutet.
We have looked a some 4,000 journals from maternity centers in which women have responded to standardized questions about abortions, among other things, and have not found any correlation between abortions and increased risk of breast cancer. In fact aborted pregnancies had some preventive effect in our study, says Gunnar Larfors, author of the newly defended dissertation.
Ulla Bredberg-Rådén | alfa
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