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Spontaneous abortions in female veterinarians
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The number of female veterinarians is constantly raising. This very interesting finnish study raises the question if they are a risk group with higher rates of spontaneous abortions and what the reasons for this might be...
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The investigation was a retrospective cohort study among all the female members of the Finnish Veterinary Association (N=549). Information on pregnancies was obtained from hospital records from 1973-1990.
The risk of spontaneous abortion among the veterinarians was compared with that of all other Finnish women and other upper-level employees. Odds ratios from logistic regression analyses were used as the estimates of the risk ratios.
The risk of spontaneous abortion was 10.5% for the veterinarians.
In the 1970s, practicing veterinarians had an increased risk of spontaneous abortion as compared with other Finnish women (adjusted odds ratio 1.8, 95% confidence interval 1.0-3.1) or other upper-level employees (adjusted odds ratio 2.0, 95% confidence interval 1.1-3.4).
In the 1980s, the risk fell below that of other Finnish women.
No essential differences were observed in the risk between the veterinarians employed in different occupational categories.
The results suggest that the veterinarians had an increased risk of spontaneous abortion in the 1970s, but not in the 1980s. Factors which might have contributed to this decrease in risk include
decreases in the prevalence and level of exposure to harmful agents, improvements in the occupational hygiene of the work environment, and an increased awareness of reproductive hazards and the use of sick leave during pregnancy.
Source: Lindbohm ML; Taskinen H (2000): Spontaneous abortions among veterinarians. In:
Scan J Work Environ and Health Dec 2000; 26 (6) : 501-506.
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