MARCO ANSALONI / EURELIOS / SCIENCE PHOTO LIBRARY MARCO ANSALONI / EURELIOS / SCIENCE PHOTO LIBRARY
Embryo transfer catheter. Scientist at an in vitro fertilisation (IVF) clinic holding an embryo- transfer catheter. This very fine catheter is used to transfer an embryo, fertilised in a laboratory, to a patient's uterus, via the cervix. The embryos are created by injecting human ova (eggs) with sperm to fertilise them. The resultant zygotes are grown in the lab until they reach an early stage of embryonic development. Photographed at the Marques Institute, Barcelona, Spain. The Institute is the first in Europe to offer embryo adoption, where the embryos implanted into a woman's uterus are not biologically linked to her or her partner.
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