Anyone do the urine and baking soda test?

BlissfullySweet • Married to my awesome husband 💑👫 Mommy to my precious boy 💙😘👦🏻and 2 sweet girls 💜💜😘😘🧒🏻👶🏻. Baby #4 (the finale) due August 2021. 👶🏻💙🙏🏼
My friend just convinced me to go do it and it came up girl result. I'm 14w4d. I'm wondering if I should've done it with fmu. 
Has anyone tried it before and was it correct for you?