Cervical Mucus Befor Period How Long Do You Pms Symptoms Last Befor Your Period Starts?

How long do you pms symptoms last befor your period starts? - cervical mucus befor period

and what are the most common, thank you
Ive had symptoms like 3 weeks and my 2 weeks is too late in the back and stomach cramps, nausea, pain in the inside and outside, it is rarely 4 me a headache and a lot of cervical mucus is not a symptom.
Sounds like PMS, the latter does not this desire can honestly say that I never noticed, or might feel a bit more, I am sick, please help