Fig. 1From: Induced abortions of women living with HIV in Finland 1987–2019: a national register studyFormation of the study population. aPersonal Identification Code, given to all citizens or immigrants with permit to stay at least 1 year. bDates of first and last recorded contact to health care were collected from these registers and used as cut-off points for follow-up time for foreign-born women because immigration and emigration data in the FINHIV are incompleteBack to article page