Miscarriage 32 percent more likely if work night shift (probably low Vitamin D)

Night Shifts May Raise the Risk of Miscarriage New York Times

Pregnant women who worked two or more night shifts a week were at increased risk of miscarriage

• “Researchers studied 22,744 pregnant Danish women, tracking their work schedules and hospital admissions for miscarriage using government databases.”

• “The study, in Occupational & Environmental Medicine, found that after eight weeks of pregnancy, women who had worked two or more night shifts during the previous week had a 32 percent increased risk of miscarriage compared with women who did not work nights.”

  • http://dx.doi.org/10.1136/oemed-2018-105592

_Note: Vitamin D was not mentioned in the NYT article nor by the abstract

• Miscarriage in first trimester 2.5X more likely if less than 20 ng of vitamin D – July 2015

• Miscarriage 2 times more likely if low vitamin D – meta-analysis May 2017

• 40 percent lower vitamin D level if work other shifts (Italy) – June 2015

• Shiftworkers and Indoor Workers have lower Vitamin D levels – review of 10 studies Sept 2018

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