SYMPTOMS NEED HELP

I'll start from 3 days after I finished ovulation I have thick creamy cm I though it was thrush and I tried to treat it but it's Just there and it's become watery and watery still here today, I've been getting sharp pains in my lower stomach and I though it was my period coming early but I have 7 days till my period and I feel really sick, I haven't eaten yet as I feel like I will be sick and my boob are slightly tender. 
I'm hot and cold and I am burping a lot 
Can anyone help me 😭