The pregnancy test can be taken 7 days after the menstrual period has been postponed or 21 days after unprotected sexual intercourse, and the accuracy is relatively high.
The pregnancy test is mainly for chorionic gonadotropin, which is produced in large quantities in 6-7 days after intercourse when the fertilized egg will be implanted. The chorionic gonadotropin is produced in large quantities. It grows at a doubled rate in the first 24 to 48 hours, so you can detect whether you are pregnant or not on the 21st day after intercourse.
If you have frequent sex and can’t remember the time of intercourse, you can choose to test after 7 days of delayed menstruation, but if you have disrupted menstruation and don’t have regular ovulation, you can’t project it this way.
Although the pregnancy test can diagnose whether the pregnancy, but if it is in a short period of time is very want to diagnose whether there is a pregnancy, you can choose in the coitus of 10 days after a blood test, through the examination of the blood HCG will be able to quickly determine whether the pregnancy.
If you feel unwell, you should go to the hospital and consult your doctor.