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. 2021 Mar 19;152(Suppl 1):3–57. doi: 10.1002/ijgo.13522
Early‐onset FGR (<32 weeks)
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    EFW or AC <3rd percentile
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    or
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    UA with AREDV
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    or
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    EFW or AC <10th percentile, combined with one or more of the following:
    1. UA PI >95th percentile
    2. UtA PI >95th percentile
Late‐onset FGR (≥32 weeks)
  • •
    EFW or AC <3rd percentile
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    or
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    ≥2 of the following 3 criteria:
    1. EFW or AC <10th percentile
    2. EFW or AC crossing percentiles >2 quartiles on growth percentiles
    3. CPR <5th percentile or UA PI >95th percentile