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Chorionic villous sampling in pregnancy

Chorionic villous sampling in pregnancy

C017/7159

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Credit

SATURN STILLS / SCIENCE PHOTO LIBRARY SATURN STILLS / SCIENCE PHOTO LIBRARY

Caption

Chorionic villous sampling in pregnancy. Medical staff carrying out chorionic villous sampling (CVS) on a pregnant woman. An ultrasound transducer has been used to guide the needle and syringe being used. The foetal chorionic villi tissue, in the mother's placenta, contains foetal blood vessels and is a way of obtaining foetal blood. Chorionic villus sampling is usually conducted between nine and twelve weeks of pregnancy to evaluate the chromosomal and DNA (deoxyribonucleic acid) status of the foetus. It is a way of diagnosing foetal abnormalities in early pregnancy. For a view of the ultrasound scan, see images C017/7157 and C017/7158.

Release details

Model release available. Property release not required.

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