Figure 3From: Discordance between physical symptoms versus perception of severity by women with nausea and vomiting in pregnancy (NVP) Vomiting/retching frequency of 500 women Five hundred women reported their daily frequency of vomiting/retching in pregnancy during the past week on the following scale: having vomiting/retching greater than 5 episodes per day, 2–5 episodes per day, one episode per day or no episode of vomiting/retching.Back to article page