Hi mama, honestly siguro mas accurate na if you wait a few more days after you miss your period kasi ang PT ay mas reliable pag mas malapit na sa expected period or after, yung January 12 test mo ay maaga pa talaga so possible false negative, pero if you really can't wait tom, go ahead lang, basta alam mo na baka mag-repeat ka pa if negative pero the safest way is i-confirm with your OB kasi they can do blood tests na mas accurate pa regardless of dates, so if gusto mo ng peace of mind talaga, better mag-consult na lang!