Miscarriage??? How many weeks would this be??!!

Guys i really need help figuring this out, this was something that happened last year to me right around valentines day.. My husband tells me to not think about it and that i probaly wasnt pregnant but i can see a whole baby and cord and all can someone tell me how many weeks i could have been for this size baby and maybe what u think it was boy or girl if feels horrible not knowing anything