1727b Premature birth and working conditions: a prospective study about 68 pregnant women

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The question about mediation between work and pregnancy is a real problem in industrialised countries, but in a country like ours, the issue is far away from being taken as a priority. Thus, we’ve chosen to conduct this prospective study about premature birth and working conditions trying to find a correlation between the two, while removing medical and obstetrical risk factors.


The study was conducted in between January and December 2014. We’ve included women who had a job 6 months or more before the conception. To evaluate working conditions we’ve used the fatigue score developed by Mamelle. To evaluate the impact of working conditions on premature birth, we’ve monitored cervical length changes.


At first, we’ve gathered a selection of 68 pregnant women debuting their follow up between 11 and 13 weeks of amenorrhea plus 5 days. An acceleration of the modification of the uterine cervix was noted within the group of women having a «Mamelle» score of 3.


The first epidemiological study bringing up the part of tiring working conditions in premature birth was conducted by Mamelle in France. After that, more authors, such as Mac Donald, got interested by the subject and implicated long working hours, rotating shifts and carrying heavy loads in the occurrence of premature birth. We took 18 mm as a limiting value for the length of the cervix under which intervention measures should be taken.


Risk assessment of working conditions is the only deciding factor when it comes to the pursuit of work while being pregnant. The decision needs to be taken by both the attending and occupational physicians.

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