When will I find out the gender of my baby?

Tell me what y’all think??

Y’all I was 12 + 5 here! I am now 13 weeks as of Thursday ! When the lady was doing the ultrasound my husband said immediately that this baby is going to be a girl because the head shape was different and the chin was different from when we had our sons ultrasound! My husband says it’s 100% a girl now. Well when the lady was looking at the ultrasound, she moved down to the baby’s private area and hurry up and did it to where we couldn’t See, the lady that did the ultrasound called the baby a her, however she replied don’t take her work for that because the only reason why she called the baby a her was because my husband was calling the baby a her! Well Tuesday needs to come on so I can do my assessment and my first blood draw for the NIPT and when they will get gender as well, because now I’m just so ready to know what I am having. I have been looking up all the theories out there for predictions of baby and I’m just so ready to know that it’s driving me crazy and I’m so eager!