A reverend's wife, after several failed efforts at in-vitro fertilization, schemes to use sperm other than her husband's.

There is currently little precedent for successful insemination using sperm harvested after 36 hours.

Most animals and plants use sperm to reproduce.

The patient may also choose to use egg or sperm from a donor by third party reproduction rather than having biological children.

IUI can use sperm from the male partner or a donor.

The ART procedure is performed using sperm from a donor.

Previously, in 2006, he used sperm created from embryonic stem cells to impregnate mice.

The first successful human pregnancy using frozen sperm was in 1953.

The group also says it may eventually be reasonable to use sperm sorting for a first or only child.