31 weeks1 day and identical twins coming this week

I am 31 weeks and 1 day w identical twin boys they have had a difference in size this whole pregnancy at first they thought TTTS but is didn't end up being that he has SIUGR selective growth restriction my baby A is weighing in at 4 lbs 3 oz and baby B is 2 lb 13 oz and we r going to have a c section this week bc baby B also had intermittent cord flow.... had anyone else experienced this or had their twins this early that they could tell me ab your story be much appreciated 💙💙