do anybody know do that gender kit work

The kind u can buy at the store? My sister did one and it said boy but her baby is 2 now and she is definitely a girl! I personally didn't do one because it didn't work for my sister.

omg I'm not going do it cause I'm not waste my money

it worked for me, but it's about as reliable as a coin toss.

ugh I won't it to work for me in how many works got to be

weeks