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first pic is a bit of the lining that came off. sometimes you lose a clump of lining all at once and that has happened to me a couple times.

Re other pics I am not always sure we can tell stuff based on pics online because people may have mistaken (not making things up, but just seeing things that look like other things and being mistaken) what they were seeing or been at different gestation than they thought. 6 weeks a baby will be the size of a lentil (pretty tiny) and 8 weeks about the size of a bean so not quite sure what we are seeing in those pics and if it's an accurate gestation age or not. Thanks for input everyone.

i agree, i think the poster wherever those pics came from just saw something vaguely (and coincidentally) feotus shaped. in reality it looks nothing like that, the feotus is inside a very protected sac that you cannot mistake for anything else.