... help trigger ovulation in 24-48 hours after LH surge. It will maximize the chances of becoming pregnant ... in 1-3 days after LH surge. Usage: Determine the length of your normal ... T line, you have not yet reached your LH surge. You should continue with daily testing.Invalid: No ... Abuse, HCV, HBVs,Syphilis,PSA,AFP,Pregnancy, Ovalation(LH),Cardiac Troponin I, TB, Malaria, H.pylori, ...