Impacted shouldersObstructed labour due to shoulder dystociaimpacted shoulder causing obstructed labourimpacted shoulders during labourlabour and delivery affected by shoulder dystocialabour obstructed by impacted shoulderslabour obstructed by shoulder dystocia or impactionobstructed delivery due to impacted shouldershoulder dystociashoulder dystocia during labour and deliveryshoulder dystocia, causing obstructed labourshoulder girdle dystociashoulder girdle dystocia during labour and deliveryshoulder girdle dystocia, causing obstructed labour