Grass leys, grazing catch crops, and crops grown to plough in as green manure all enhance fertility.

It was carried to attract good luck, and due to its analogical association with storks, to enhance fertility.

The patent also covers a method for enhancing female fertility, based on antibodies to the same substance.

Fertility medication, better known as fertility drugs, are drugs which enhance reproductive fertility.

The first complete book Illes wrote was about traditional methods of enhancing fertility.

But most of these factors might be expected to depress, not to enhance, fertility.

Unlike traditional TRT it also does not shrink the testes and as a result can enhance fertility.

Of the many ageing genes that have been reported, some seem to enhance fertility early in life, or to carry other benefits.