My height 😭😭

18(m)Kal raat ko measure kri thi Bina shoes ke around 175 cm thi, abhi firse kri 170 hogyi what is the proper way to measure height

Or kya meri height ab bd skti h if do any type of excercise or diet

Update : abhi firse shi se measure kra to 174 cm ayi , firse change hogyi 😭😭

Agr 174 cm height maan kr chlu me , to ye choti h ya medium h