I'm not sure if I'm pregnant or not please help

this is so personal but I'm really nervous and need answers , I figured this app and community chat is the perfect way to get and answer , when I wipe there is a pink discharge I took a test last night and it was negative and I took one this morning but that one didn't even work( so I'm going to get another one today .  I had sex last weekend and the weekend before last however it was with a condomn I'm very nervous and kind of scared although I'm 27 with 3 degrees and I'm definitely ready to be married and have a child ... this is totally unexpected ( Am I pregnant ?  What is going on with me ?