13 days after ovulation early pregnancy whiteboard still have hope of pregnancy, can be reviewed under the guidance of the physician. Fertilization after ovulation occurs within 24 hours of ovulation, 6 to 7 days after fertilization when the fertilized egg and secretion of HCG (human chorionic gonadotropin), the earliest can be about 10 days after coitus through the blood HCG determination can determine pregnancy, in the 13th day after ovulation when the concentration of urinary HCG is low, the test paper test can be presented with a white plate, but there is still a hope of pregnancy, you can then review. Generally, when the menstrual period is about 1 week overdue, urine test with pregnancy test paper can determine pregnancy, and should follow the doctor’s advice in about 40 days after menopause ultrasound examination to determine intrauterine pregnancy. However, when the menstrual period 1 week overdue early pregnancy test paper test still shows a white plate, the chances of pregnancy is not great, may be due to menstrual disorders caused by menstrual delay, you can go to the hospital for consultation. You can go to the hospital when the white board of early pregnancy is 13 days after ovulation, and review regularly under the guidance of the doctor.