Different pathways for preterm birth between singleton and twin pregnancies: a population-based registry study of 481 176 nulliparous women.
Tiril TingleffSari RaisanenÅse VikanesLeiv SandvikMeryam SugulleGulim MurzakanovaKatariina LainePublished in: BJOG : an international journal of obstetrics and gynaecology (2022)
Singleton and twin pregnancies seem to have different pathways leading to extremely, very and late preterm birth.