possible pregnancy

Yaya
Ok, so i have two kids, i found out i was pregnant after my 8th week. I did got some pregnancy tests before finding out and they were negative even though i was actualky 4 weeks. The thing is im 14 days late. I got tested by urine and blood las tuesday and again negative. I still havnt got my period just some spoting. How much more should i wait till i pee on the stick again? LOL thank you guysss