Severity Stratifying

There are two key stratifying tools used by the latest RCOG guideline:

  1. Pregnancy-Unique Quantification of Emesis (PUQE)
  2. HyperEmesis Level Prediction (HELP)

PUQE can help define if NVP is mild, moderate or severe.

Figure 1: Pregnancy-Unique Quantification of Emesis. Appendix IIa of the Green-top Guideline No.69.2

HELP score is more useful for tracking the trend of HG to monitor response to treatment.

Figure 2: HyperEmesis Level Prediction Score. Appendix IIb of the Green-top Guideline No.69.2

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