Sorry to hear that Michelle
Hope things start to get better .
There are time limits for being able to put in an ET claim , and the fact they mention 3 months means that you need to get the ET1 form to them prior to that date ..preferably recorded delivery.
Not sure where else holds them but my CAB has a stock of them or you can use the downloadable one
HERE which you can fill in on your computer then print and sign.
Can't say more than that as employment isn't my area but ACAS and ECHR are a great help , as is the helpline here :)
Really hope your health and employment issues are sorted soon :)
Rich :)
"The difference between 'involvement' and 'commitment' is like an eggs-and-ham breakfast: the chicken was 'involved' - the pig was 'committed'."