The outcome of reduced and non-reduced triplet pregnancies managed in a tertiary hospital during a 15-year-period - a retrospective cohort study.

Objectives: Triplet pregnancies involve several complications, the most important being prematurity as virtually all triplets are born preterm. We conducted this study to compare the outcomes of reduced vs. non-reduced triplet pregnancies managed in the largest tertiary hospital in Finland.

Correction to: Perinatal outcomes in Finnish twins: a retrospective study.

An amendment to this paper has been published and can be accessed via the original article.

Perinatal outcomes in Finnish twins: a retrospective study.

Background: To establish the changes in perinatal morbidity and mortality in twin pregnancies in Finland, a retrospective register research was conducted. Our extensive data from a 28-year study period provide important information on the outcome of twin pregnancies in Finland that has previously not been reported to this extent.

Methods: All 23,498 twin pregnancies with 46,996 children born in Finland during 1987-2014 were included in the study.