It is also considered good research design for both the practitioner (person administering the intervention) and the subject (person getting the intervention – or not) to be ‘blind’ to this ie. not know. This works well in the case of medications ie. neither the doctor nor the patient know whether the pill is the experimental medication or a placebo. However, it is virtually impossible to ‘blind’ practitioners or women to interventions. Women and their care providers will know if an intervention is carried out or not eg. active management of the placenta, episiotomy, premature cord clamping.
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