Feeling Very Wierd Right Now HELP

Reina • Im 19 Turning 20 August 6 , i am Pregnant and Happily with My SO trying to have a happy life with our soon bundle of joy
I was washing my dishes right now , and i fekt super dizzy just now where i had to sit down near the window and get some fresh air , i been TTC and i tested on March 28 and it said negative and then i got my oeriod the next day and ended April 1 and i had sex these past 3 days , what can it be?