Sayang, first thing, please jangan stress sangat while waiting for your specialist appointment, okay? The doctor will explain everything clearly to you there, and that's the best place to get proper answers for your situation. What you're describing does happen to some mums, and you're not alone in this journey. A few of us in my circle have gone through similar twin situations where one baby develops differently, and honestly, the specialist appointment will be so important, they'll do more scans and explain what it means for your pregnancy moving forward. Dari sini je, I just want to say be kind to yourself these few days while you wait. Your healthy baby is doing well, and that's something to hold onto. Whenever you need a listening ear or want to chat while waiting for the appointment, the mums here in the community are around! Sending you lots of strength, mama.