CHASSENET / BSIP / SCIENCE PHOTO LIBRARY CHASSENET / BSIP / SCIENCE PHOTO LIBRARY
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Embryo selection for IVF. Scientist examining embryos under a microscope to ensure only healthy embryos are used for in vitro fertilisation (IVF). The embryos will be implanted into the patient's uterus. This can result in multiple births. IVF allows infertile couples to conceive a child.
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