HELP ME FIGURE OUT PLEASE

Crystal

Hello,

Im curious about some stuff. I looked it up online but am more confused. I was suppose to start my period on the 19th and haven't started. I have alot more discharge than normal. I took a pregnancy test on the 26th and it came out negative. I'm unsure of what to do. I've never been pregnant before and I been trying for about 4yrs now.