Miscarriage 32 percent more likely if work night shift (probably low Vitamin D) – April 2019

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

Items in both categories Pregnancy and High Risk are listed here: