Kathryn,
I tore with Maddy (didmt even feel it), but Indah stopped breathing having swallowed Meconium & so I was told the same thing (this baby needs to be born NOW!) I was happy for them to cut me to get my baby out safely & once again never felt the cut!
I obviously would prefer to not have to cut or tear, but if it means my baby will be healthy & safe, CUT AWAY I say!!!