Iv been getting a bruised feeling wen i sit and bit of back ache with some clear/white snotty discharge could i be early pregnancy?

Last period?: It is non specific symptom and may not be related to pregnancy. When was your last period? If your discharge is bothersome like itching or irritation, you should see a doctor.

Pregnancy: When was your last periods? You should have abcense of periods to consider pregnancy first of all. Several pregnancy tests are available to clear the doubt.