| Methods |
Randomised controlled trial of hypnosis compared to supportive psychotherapy. The allocation sequence was not stated and random numbers were generated by a random‐number generator. Participants were not blind but the outcome assessors were blind. Loss to follow up was not stated. |
| Participants |
520 women in the first or second trimester of pregnancy were recruited to the study in the USA. Women were excluded if they were in the third trimester of pregnancy, had an anxiety disorder, major depressive disorder and other specified psychiatric disorders. |
| Interventions |
Hypnosis (Cheek method) involving problem solving, brief psychoanalytical‐based psychotherapy. Participants attended five sessions. The control group received supportive psychotherapy. |
| Outcomes |
Need for augmentation, caesarean section, newborn resuscitation, epidural anaesthesia, use of analgesia and maternal emotional experience during birthing. |
| Notes |
An intention‐to‐treat analysis was performed. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment? |
High risk |
C ‐ Inadequate |
