Sayang, I know this is scary, especially after your previous loss. Brownish discharge + a smaller-than-expected sac at 9 weeks needs urgent clarity, please call your gynae or go to the hospital today, don't wait 2 weeks , they might want to check your hormone levels or do another scan sooner to know what's really happening. A few of us mums have been through uncertain scans, and honestly the waiting is the worst part. Could be dating is off, could be something else, but your doctor needs to rule things out now, bukan nanti. You deserve answers, not just hope-and-pray for 2 weeks. Sending you strength. Please go get checked today, okay?