To soon to have another baby...NEED OPINIONS!!!

So im 4 days late for my period. I have a 5 year old boy and a 7 1/2month old little boy. The day my period was due i seen blood when i wiped 2times so i put a pad on as the day went on i seen NOTHING smh. Not sure what to do next but i have been tired and moody(my husband says lol) for a couple of days now. Is it to soon to have another child and when do yall think i should take a test??