confused soooo much

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please so long story as to why I got these ultrasounds so close to each other personal problems any ways here is 12w5d scan and then 13w2d. scan nub theory coz I have gotten two different answers now haha need help I'm going crazy I want to start buying things and planing colour of the room

13 W 2d

13w I don't know why they done a 4d picture for me lol