isabelle obert , who runs nurture me fertility , believes a diet rich in minerals , vitamins , essential fats and proteins can prepare both a man and a woman 's body for conception .
isabelle obert , who runs nurture me fertility , believes a good diet can affect the health of the sperm and the egg before they even meet .
but one nutritionist argues that a good diet can affect the health of the sperm and the egg before they meet - can affect the outcome of the pregnancy .