30 weeks and 20 days would place your wife at almost 33 weeks. If baby is
traverse, the only thing that can be done is to either way and see if baby will flip themselves, or attempt to move the baby from the outside. However your doctor would need to explain the risk of that to you, and you two would have to decide if you want to go through with it. If baby doesn't flip, she will have to have a c-section, as she wouldn't be able to birth the child vaginally.