Too much stress at work haha

Karena

For the past two weeks I’ve been so stressed out at that almost every night me and my partner are having sex and then 5 days ago I was throwing up I’ve had the feeling of being sick a lot recently but nothing happens and also some severe abdo cramping which leaves me in tears but also I’ve taken three tests so far and all came back negatory 😭😭😭😭😢😢😢😢 and my af is due in less then a week can anyone give me any tips as to what might be going on with me