[The need for sick leave during pregnancy].
D000041:Absenteeism; D000328:Adult; D005260:Female; D005387:Finland; D006801:Humans; D008429:Maternal Welfare; D009786:Occupational Health Services; D011247:Pregnancy; D014937:Work
Sairausloman tarve raskauden aikana ammattiryhmittäin.