Vaginal discharge when conceived after few days after sex

My bf and i had sex twice in fertile window in last few days now ive got creamy thick discharge but not alot of it i checked myself in shower and my cervix is soft and my vaginal discharge is creamy and thick but not alot of it ive had headaches and feeling really tired like having 9hrs getting up feeling tired feeling nauseous but then goes off and bloated but don't know if its pms as due 15-18th june can anybody help as first time trying for baby 😕