MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY
Artificial insemination (image 5 of 9). Man holding a jar containing a specimen of his semen for use in artificial insemination. This process is used when a couple cannot conceive naturally. After being tested to ensure the health of the sperm cells, a small amount of his semen will be injected into the cervix of his partner. When the semen of a woman's husband or life partner is used, the process is known as AIH. There is around a 65% chance of fertilisation over six months of treatment. Photographed at a clinic in Milan, Italy. For a sequence showing stages in the process, see images M802/154-162.
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