%0 Journal Article %K *Abortion, Spontaneous/epidemiology %K England/epidemiology %K Female %K Humans %K Infant %K Infant, Newborn %K Pregnancy %K *Pregnancy Outcome/epidemiology %K Retrospective Studies %K Uterine Hemorrhage %K vaccination %K Background rate %K Low-risk pregnancy %K Maternal immunization trial %K Maternal vaccination %K Miscarriage %K Pharmacovigilance %K Pregnancy outcomes %K Pregnancy-related events of interest %K Preterm delivery %B BMC Pregnancy Childbirth %D 2022 %G eng %M 35650569 %P 461 %R 10.1186/s12884-022-04769-x %T Facilitating safety evaluation in maternal immunization trials: a retrospective cohort study to assess pregnancy outcomes and events of interest in low-risk pregnancies in England %V 22 %2 PMC9157029 %7 2022/06/02 %@ 1471-2393