[The usefulness of emergency room data for integrated surveillance of spontaneous abortion at population level].

Objectives: to quantify and identify the proportion of miscarriages in the province of Trento (Trentino-Alto Adige Region, Northern Italy) in 2010-2016, managed exclusively at the emergency room (ER).

Design: population surveillance study.

Setting And Participants: comparison between the Trentino computerized database of registration to the ER for miscarriage and the flow D-11 of the Italian National Statistics Institute (Istat) on hospitalized miscarriages in the period 2010-2016.