Help ? Opinion Blood test sneakpeek said boy, but ultrasound 12 weeks looks like girl nub ?

Abby • Child of God✝️. Happily married 💍. 23 Yrs old. 💖👶🏼 DD 3rd May, '16. 💙👶🏼DS 22nd Jan, '18. DS 9th April, '19💙👶🏼 💖👶🏼 DD 17th Dec, '21 🤰 pregnant with #5 BOY 💙

Sneak peek says boy. Just had ultrasound today I could not really see any indication of a penis at all !!! I have 2 boys and 1 girl. My boys were both sticking straight up at the 12 week scan.. I could be wrong ut I already had a gender reveal 😭