Went to doctors and had to get weighed

So I am 16

5’8 / 175cm

Weighed myself at doctors cause I had to which is the first time in 1 year

And I had started going to the gym for about 5 months now feelings si much better about my body

Turns out I’m

76.4 Kg

I feel so so so shit and as soon as I saw the number I started crying in front of the doctor

I thought I had lost weight and gained muscle and now I just feel fat and ashamed

Here are some pics for reference

I just need some positivity and advice please 😭