About 15-20 days after ovulation intercourse pregnancy test stick can detect pregnancy, more than seven days after ovulation intercourse blood test HCG can confirm whether pregnancy.
1. pregnancy test: pregnancy test is to check the HCG value in the urine, generally more than 15-20 days after ovulation can be tested, some women ovulation is earlier, the test out earlier, if ovulation is later, need 20 days or more than 20 days to test out.
2. Blood test for HCG: Under normal circumstances, as long as more than 7 days after ovulation can be accurately diagnosed whether the pregnancy. Since no one knows when ovulation occurs, it is best to take a blood test at the time of menstruation for higher accuracy.
The HCG blood test is the gold standard for diagnosing pregnancy. If the pregnancy test does not come out or is weakly positive, it is necessary to take a blood test under the guidance of a doctor to confirm the diagnosis.