... by measuring the women's urine luteinizing hormone (LH in short), to help choosing the best time ... can 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 ... Abuse, HCV, HBVs,Syphilis,PSA,AFP,Pregnancy, Ovalation(LH),Cardiac Troponin I, TB, Malaria, H.pylori,Saliva ...