“…Some of those negative correlations are moderately high (in absolute terms), and some are extremely high with high chances of downward biases. There are also many other studies, which have shown small or no effects of postnatal hospital stays on readmissions (Bostanci Ergen et al ., ; Bragg et al ., ; Brumfield et al ., ; Cooper et al ., ; Dalby, Williams, Hodnett, & Rush, ; Danielsen et al ., ; Gagnon et al ., ; Harron et al ., ; Johnson et al ., ; Kotagal & Tsang, ; Mandl et al ., ; Metcalfe et al ., ), breastfeeding or women's emotional well‐being (Brown et al ., ).…”