Getting enough sleep, reducing stress levels and improving diets can help boost a couple's chances of conceiving, experts say.
While many women are aware of ways to optimize their likelihood of falling pregnant, men often ignore the role of male fertility in the process of natural conception.
Yvonne Bishop-Weston, nutritionist for First Response, said that low numbers of sperm can be due to high stress hormones, which reduce the body's ability to stimulate sperm production.
She explained: "Poor motility or ability to swim prevent the sperm from reaching the egg. If sperm tests show no specific problem areas, but borderline levels, general nutritional fertility support can help maximize quality and quantity."
Adopting a diet rich in magnesium, antioxidants and low in saturated animal fats can help enhance male fertility, she added.
According to the Office for National Statistics, in 2008, there were increases in fertility rates for all age groups compared to the previous year.
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