Puzzled on how,my body started being weird

I was trying to get pregnant in the last year. My BF and I broke up. So since we did. I've been having signs of ovulation. Pain all over my legs , lower back, and tighs. Clear discharge. I thought I was pregnancy. I took a test. It was negative. My cycle came. It was normal. Then first week after my cycle. More mucus like discharge. I went to my obgyn he said I didnt have infection. I've been spotting too during my fertile week. Blood and more mucus. It's now to the end of light pink. I took another test to make sure. I'm not pregnant. Do any other women like me produce mucus a lot? It just started happening. Do you think my body trying hard to get pregnant. Now I'm not trying. All of a sudden this happens.