LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
In vitro fertilisation (IVF). Conceptual computer artwork showing an embryo developing in a test tube. IVF is a fertility treatment where an egg cell (ovum) is fertilised by a sperm cell outside the body. Once embryos begins to develop, they are implanted into the womb; this occurs at an earlier stage of embryonic development than shown here.
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