Change in LH surge !?

Jessica • 1/26/19👦🏻.10/16/21👶🏼4/25/24🤰🏻. ED RN🩺. Police Family👮🏽‍♂️

Anybody else have different LH surges each month. I was CD 16 last month & CD 14 yesterday. I used to be pretty regular +LH in the past🤷🏻‍♀️