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. 2023 Mar 9;83(5):517–546. doi: 10.1055/a-2003-5983
Consensus-based statement 6.S6
Expert consensus Level of consensus +++
If a test is carried out to exclude intrauterine transmission, then it must be carried out within 24 h post partum. It is important to be aware that if testing is done immediately after the birth, it may result in a false-positive result due to transient contamination by maternal secretions.