Any pregnancy after loss mums??

This pregnancy has been full of excitement and anxiety as my last pregnancy ended in me giving birth to my twin daughters at 24 weeks via emergency c section. After 40 days of fighting hard the decision was made to switch off my youngest twins life support. I have one surviving twin who's 3.5 years who I'm also so lucky to have. I have a consistent fear of losing this baby especially as I get closer and closer to 24 weeks. Just wonder if their were any other rainbow mums who have felt the same who want to chat.