Hi welcome to the health care magic If sexual intercourse is protected with usage of condom than Chance of pregnancy unlikely But if condom ruptured during sex than semen can enter into vagina and pregnancy can occur So if you have doubt regarding that than pregnancy test done If period delayed for seven days... As white discharge is present per speculum examination done to look for thick curd like discharge, if present it might be candiadiasis and for that topical clotrimazole prescribed vaginally If needed swab can be taken for further work up Take care Consult gynecologist for examination with keeping all this in mind Avoid stress. Hope your concern solved