A胎儿娩出后分钟，胎盘尚未娩出B胎盘剥离后分钟，胎盘尚未娩出C胎盘剥离后分钟，胎盘尚未娩出D胎儿娩出后分钟，胎盘尚未娩出E胎儿娩出后分钟，胎盘尚未娩出