Evap ni kira false positif = negatif or invalid. Faint = low hcg level. Evap line banyak sebab : upt rosak, urine terlebih, etc. Evap line colour kelabu sikit, line kembang, line separuh, line halus, etc.
evap line selalu muncul lps masa yg ditetapkn. Kena baca arahan pd packagng.