Learning curves for residents and specialists for devices applied on operative vaginal birth on mannequin (Odòn, Kiwi, Simpson forceps)

Residents and specialists were exposed to formal lecture having the opportunity of digital evaluation of digital support. After a frontal lecture they will have a formal explanation of mannequin approach for each device (Odòn, Kiwi, Simpson) After one month and after two month they will re-train on mannequin for each device.

Before frontal lecture they will answer to a questionnaire evaluating status of residency (year), elderly of specialization (years after degree) and personal experience in labor ward and on mannequin for training. After each training session they will have a further questionnaire evaluating how the training was working on their knowledge and on retaining of skills.

All training sessions will be recorded in a blind way erasing voice and face and with a ID computer generated code.

All videos will be evaluated by three different specialists of known experience on the three devices

Inclusion Criteria:

• residents
• specialists

Exclusion Criteria:

• none

ObGyn specialists and residents involved on Labor ward in Pescara Hospital (above 2000 deliveries per year)

not decided yet