What's happening, lol

Oh my goodness, my body is so out of wack...*monday: neausea, not hungry, super sleepy....*Tuesday, same stuff but it got better...*wensday: almost nothing but pinching cramps and headache and now today I am cramping, but also my legs hurt, my lower back hurts and my boobs hurt a little, kind of diarrhea and I've had a headache all day off and on. I'm so confused! I took a pregnancy test Monday, faint line, took one today, negative. But then I look at my chart, says I'm supposed to be in my ovulation time.....ahhhh, I am lost and about done with this month, lol