Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Risk factors for nausea.
| p | OR | 95% CI for OR | ||
|---|---|---|---|---|
| 1st TM nausea/vomiting | <0.001 | 6.75 | 3.03 | 15.05 |
| Motion sickness | <0.001 | 12.02 | 4.62 | 31.30 |
| Absence of PMS | 0.068 | 3.41 | 0.91 | 12.75 |
1st TM nausea/vomiting: severe nausea and vomiting in the first trimester; PMS: premenstrual syndrome; CI: confidence interval; OR: odds ratio.
