CRP and hydrops fetalis: Extreme outliers were observed for the following variables: CRP (non-clinical controls: 0%, CBT group: 5.6%, WL group: 5.8%), IL-6 (non-clinical controls: 0%, CBT group: 2.8%, WL group: 1.4%), nighttime heart rate (non-clinical controls: 0%, CBT group: 1.4%, WL group: 0%), daytime HF-HRV (non-clinical controls: 0%, CBT group: 1.4%, WL group: 1.4%), daytime LF-HRV (non-clinical controls: 0%, CBT group: 0%, WL group: 1.4%), nighttime HF-HRV (non-clinical controls: 2.5%, CBT group: 0%, WL group: 1.4%), and nighttime SBP (non-clinical controls: 0%, CBT group: 0%, WL group: 1.4%).