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Study design; A) Ecological-Momentary-Assessment (EMA) sampling scheme across pregnancy: The pre-EMA visit included assessment of stress during the past 4 weeks (PSS-past-4-weeks), followed by the 4-day EMA-period assessing momentary stress via PSS-EMA, and followed by a post-EMA visit assessing stress over the past 4 days (PSS-past-4-days); B) Ecological-Momentary-Assessment (EMA) protocol within a 4-day EMA-period.
