Anyone else

Laura • Hello. I'm 21 I have a 14 month old little boy and I have just found out me and my partner are expecting our second :)
I don't now how to describe it but I'll try. I'm 19weeks4days, second baby, and for the past 2 days whenever I urinate my abdomen hurts, I haven't got a urine infection im passing urine normal but my belly hurts when urinating ;S anyone else or anyone now what this could be