Does this look like mo/mo twins or mo/di twins?

They haven't found a separating membrane yet so they are still considering them Mono/Mono twins. But judging by other ultrasounds I've seen, they look more like mo/di. Obviously, I know I didn't go to OB school for years or have a degree in reading ultrasounds. This is just from a few ultrasounds and posts that I've read. Here are two pictures, bottom one at 6 weeks and top one at 10 weeks. Thank you so much for any input!

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