Talk to Gynecologist on Pregnancy Question

Posting it from a fake account Urgent help needed. Please post asap I and my partner had protected sex on 21st august and today, she vomited and suffered dizzy spells. She's also facing frequent urination. Is it possible that she's pregnant? She had her last periods on 17th august. How can we help ourselves in this situation? we don't want to conceive right now. How do we handle this issue? Visiting a gynaecologist isn't the solution so please do not suggest that Please help