Blood Test To Detect Pregnancy Can You Take A Blood Test To Detect Pregnancy Too Early?

Can you take a blood test to detect pregnancy too early? - blood test to detect pregnancy

I had unprotected sex 2 weeks ago. I had very irregular basis my whole life, so I know I can rely on only one character. I also heard from other women who have irregular menstruation false negative HPT. I will simply cut and all just get the blood. Is it worth it? Blodd will test to detect a pregnancy so early?