Aww sayang, placenta previa Type 4 memang scary kan, tapi honestly, ada quite a few mums dalam circle saya yang experience the same thing, no bleeding sampai delivery pun. Every pregnancy is different, and some people are just lucky lah. That said, 28 weeks onwards is a critical period where your doctor needs to be monitoring closely with regular scans, especially since you're getting close to the third trimester, please make sure you're keeping all your appointments and report straight away if ada any spotting or cramping, okay? Kesian you carrying that worry, but the best thing is to stay in touch with your obstetrician and ask them specifically about your numbers, they'll give you the most accurate picture based on your exact placenta position and how baby is doing. Take care of yourself, rest when you can, and try not to stress too much (easier said than done, I know!).