“…The 13 studies included in the systematic review describe pregnancy outcomes following KRFD, with 11 studies reporting on both maternal and neonatal outcomes, 2,4–7,9,14,16,17,19,20 and with two studies reporting on maternal outcomes only 15,18 . Of these included studies, nine were retrospective cohort studies, 4,6,7,9,14–18 two were prospective cohort studies, 5,20 one was a matched case–control study, 2 and one was a case series 19 . With regards to the reporting of maternal adverse outcomes of PPH, there were variations in the definition of PPH between studies: two studies used a definition of estimated blood loss (EBL) > 500 ml; 4,5 three studies used EBL > 1 litre; 6,16,17 and one study used a cut‐off of 1.5 litres 20 .…”