2 ultrasounds and a sneak peak test different genders

So I did a sneak peak test at 10wks and I have 2 boys already and missed one step in the collecting process but it came back it was a boy. So I was convinced it was contaminated with male genes since I messed up . So at almost 15wks (14.5) I did a private ultrasound and they said it was a girl . Now I did my anatomy scan at 18.4 days and they are saying it’s a boy . What do you guys think ??

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