Fear of gender changing

V

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This was from our 16 week scan. I’m scared of going back at 20 weeks and it changing to boy. Has this happened to anyone? Everyone I show our photo to says girl, but I’m just nervous. FTM here