Table 1: Motherisk-pregnancy-unique quantification of emesis and nausea (PUQE) scoring system. The PUQE scale is a validated scoring system to quantify the severity of NVP based on quantification of the 3 physical symptoms of NVP (nausea, vomiting, and retching) [11].

How many hours in past 24 hours had you felt nauseated/sick to stomach? None ( 1) 1 hour or less ( 2) 2-3 hours ( 3) 4–6 hours ( 4) 6 hours ( 5)

How many times in the past 24 hours did you vomit? 7 times ( 5) 5-6 times ( 4) 3-4 times ( 3) 1-2 times ( 2) None ( 1)

How many times in the past 24 hours did you experience gagging or retching or dry heaves? None ( 1) 1-2 times ( 2) 3-4 times ( 3) 5-6 times ( 4) 7 times ( 5)