Table 2. Neonatal Outcomes and the Timing of the First COVID-19 Vaccination.

Outcomes	No.		OR (95% CI)
	Vaccinated during pregnancy	Unvaccinated during pregnancy
Preterm birth
1st Trimester vs unvaccinated	3443	171 927	1.81 (0.94-3.46)
2nd & 3rd Trimester vs unvaccinated	54 218	171 927	0.875 (0.63-0.90)
SGA
1st Trimester vs unvaccinated	3249	165 741	1.09 (0.95-1.27)
2nd & 3rd Trimester vs unvaccinated	52 000	165 741	0.94 (0.88-1.00)

Abbreviations: OR, odds ratio; SGA, small for gestational age.