According to a recent study by Japanese and US researchers, unnatural light has been added to the long, sometimes strange, list of causes stopping women from getting pregnant.
With one in seven couples having trouble conceiving, various methods have been touted as being effective in helping up chances of conception.
Here are five surprising ideas.
1. Check your Feng Shui blockages
A pregnancy site suggests the placement of your furniture could be hindering your efforts and says to look for blockages in your home that may be stopping the free-flow of energy. It also suggests placing fertility 'symbols' around the bedroom - apparently a picture of a pomegranate will do the trick - and minimising interfering energies from laptops and cell phones.