Table 2. PICOS framework.

Population	(perinatal OR postnatal OR antenatal OR prenatal OR pre-natal OR ante-natal OR peri-natal OR birth OR childbirth OR parturition OR postpartum OR caesarean OR caesarean OR haemorrhage OR assisted delivery OR vacuum delivery OR perineal tear OR stillbirth OR stillborn OR forceps OR instrumental delivery).af.
Intervention & comparison	(EMDR OR (eye movement desensiti#ation and reprocessing) OR CBT OR cognitive behavio?ral therapy OR iCBT OR online intervention OR telehealth OR exposure OR counselling OR ounselling OR therapy OR psychoeducation OR early intervention OR group intervention OR psychological OR psychotherapy OR debriefing OR rewind OR birth afterthoughts OR TF?CBT OR CPT OR cognitive processing therapy OR stabili#ation OR treatment as usual OR care as usual OR cau).af.
Outcome	(Post?Traumatic Stress Disorder OR PTSD).af.
Study Design	(RCT or randomi#ed control* trial or protocol or pilot or clinical trial).af.