Long hours tied to infertility

In a study reported by the journal Occupational & Environmental Medicine, women who work long hours can take up to 20% longer to conceive.

1,739 women of an average age of 33, all of whom were actively trying to conceive, participated in a 2010-2014 Nurses’ Health Study. Questionnaire’s surveyed women on a variety of measures, including the type and number of hours worked. Compared with women who worked 21-40 hours each week, those who worked more than 40 hours weekly took around 20% longer to get pregnant, according to the results.

A second correlation was found with women who lifted heavy weights or loads daily, and heavy lifting seemed to postpone time to conception by as much as 50%.

While the study can’t outline all the ways long work hours and heavy strain could impact fertility, the advice to take it easy, keep stress at a minimum, and aim for a balanced lifestyle seems key in generally aiding conception among working nurses.


Whiteman, H. (2015, August 17). “Working long hours, heavy lifting may lead to problems getting pregnant.” Medical News Today. Retrieved from