Night shifts and your fertility

A really interesting new study has found that women who worked night shifts or who had jobs involving heavy lifting produced fewer eggs when having fertility treatment than those who worked normal day shifts. The research team from the United States investigated around 500 women who filled in detailed questionnaires about their work shift patterns and any heavy lifting involved in their jobs. The researchers found that there were clear differences in the number of eggs produced by women who worked at night and those who did heavy lifting at work.

I found this study particularly fascinating as I worked night shifts before I started trying to conceive, and was very aware of the negative impact it had on my overall health – but often wondered whether it could affect fertility too. This was an observational study – which means the researchers were not linking cause and effect but just seeing what happened with the different groups of women and fertility experts have urged caution in interpreting the results. However, if you are doing a job which involves working nights or a lot of heavy lifting and are having difficulty getting, the study would suggest it may be worth investigating if there is anything you can do to change your shift pattern or lifting at work.

You can read the full details of the research from the Journal Occupational and Environmental Medicine here along with reports from The Telegraph and the Evening Standard.

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