PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY
Sperm extraction. Technician using a pipette to extract sperm from a sample. The sperm will be used for in vitro fertilisation (IVF). Before use, the sperm will be examined under a microscope to ensure only healthy sperm are used. IVF allows infertile couples to conceive a child.
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