I HAVE SEX ALOT WITH MY BOYFRIEND, BUT I HAVE IRREGULAR PERIODS. I HAVE TAKEN 4 PREGNANCY TEST 3 SAID NO AND ONE WAS UNREADABLE. I HAVE SPOTTED 2 TIMES IN 2 WEEKS. MY NIECE HAS HAD THE SAME SITUATION WITH HER ONLY TODAY SHE WENT OT HER DR AND FOUND OUT THAT SHE WAS INDEED PREGNANT, BUT WE TRIED HOME TEST BUT HERS WERE ALL NEGATIVE UNTIL TODAY. WHAT SHOULD I DO.