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. 2019 Aug 12;79(8):800–812. doi: 10.1055/a-0903-2671
Consensus-based Recommendation 3.E1
Expert consensus Strength of consensus +++
Potential risk factors must be determined prior to conception or at the start of prenatal care at the latest. The particular focus must be on risk factors which can be controlled. The intervals between examinations must be adjusted to take account of the individual risk of preterm birth to implement preventive strategies.