Could i be pregnant?after 4-5 days of sex? im feeling nauseous and weak. it was first time. no birth control. took plan b pill once nausea was noticed

Hard to say: It is unlikely you could have symptoms of pregnancy after 4-5 days of unprotected sex, but you could be pregnant.Plan B is not as likely to work when taken more than 3 days after exposure started.If your sessions occurred two weeks ago or more you might be symptomatic.OTC pregnancy tests rely on chemicals produced by the growing embryo, which may not turn a test positive early on, but will later