would you feel pregnacy symptoms 2 weeks after having sex?

i had unprotected sex on december 26th. a couple times yesterday i did feel kinda nauseous, nothing crazy to the point i felt like i was going to throw up but just a quick queasy feeling. this morning after my alarm went off i was laying in bed and did get the feeling like i could have thrown up. and then again around 9:30 this morning i was at my desk debating on whether or not i should try to go throw up because i was starting to feel queasy again. according to my tracking app that day was the 2nd to last day of my ovulation week. my next period should be in 5 days and i know missing your period is a major indicator but i just wasn’t sure if that would be enough time to show a accurate result on a test? please tell me i’m overreacting:)) tia 😭