Hi I am 26 weeks pregnant. The other day I had a clear, yellowish and brownish sticky liquid come out of me. For a second I thought it was my mucus plug. But nothing else happened. But ever since then I have been getting really really bad cramps, like I'm going to starts my period. I get sharp pains in my breasts. During the day I am very very hot. Like I jus can't cool down. I am very uncomfortable sleeping no matter how I lay, and I have a lot of lower back pains. I jus wanted to know should I be concerned?