HELP!! SEVERE IUGR 😭

Mommys!! Anyone here diagnosed or have experienced an IUGR due to placental insufficiency? I have a reversed cord blood flow and was told anytime baby will stop her heartbeat. Shes 22 weeks but measuring 20 weeks. We are so scared.. My little baby girl is a warrior, i keep feeling her movements and i am loving her more every single day!! We are running out of tears!! Please give me some advices and if someone had experienced this severe one, did your little one survived? 😭😭😭🙏🙏