Help!!! Wth is going ON

Nikki

Hi im 47 soon to be 48 cycles have been regular my whole life every 26-30 days like clock work..now its 33 days late WTF just abruptly no cycle is this how it begins? I have a 3 yr old so of course i was like wait a minute lol but 21 bucks later ..Nope test says no preggo...so does it just start like this other than missing cycle I have no other symptoms