Can a home urine pregnancy test be accurate 2 weeks after missed period its been 43 days since my last period?

Missed period: If your cycle was regular (28-34 days between the start of one period and the start of the next), the home test should be accurate , but sometimes stress full factors can delay ovulation, and therefore delay the start of the next period. Obtain a serum HCG test, which is very accurate for pregnancy. If negative, see your gyn physician for and exam and testing.