Medical practitioners today believe that, to-be-dads can cause birth defects in their babies, if their reproductive health is not up to mark and their sperm is damaged. In other cases where there is a case of male infertility, you first need to enhance male fertility by taking proper measures so that the male is in a position to send active sperm into your body to unite with the ovum and fertilize it. There is a wide variety of herbs, most of which can be found growing in any herb garden or brought from a grocery store that boost fertility. The healing effect of the herb mainly depends upon schisandrins. It is best to eat plenty of fresh fruits as well as green veggies, whole grains, meat and low-fat dairy produce.