Can I detect pregnancy three days after having sex?

Many women are eager to get pregnant quickly, so they will closely observe changes in their bodies after having sex, and often use test strips to test whether they are pregnant. Experts say that if you are pregnant, you need to wait for a while before the test can be detected. For example, the test cannot be detected three days after having sex, so don't be anxious. You must adjust your mentality during the pregnancy preparation process. The more anxious you are, the less likely you are to achieve your goal.

Can I detect pregnancy three days after having sex?

If a woman has unprotected sex during her ovulation period, she is very likely to become pregnant. Many women who are planning to have a baby hope to know as soon as possible whether they are pregnant. Many women who do not want to get pregnant are particularly worried about pregnancy and want to know as soon as possible whether they are pregnant. So can pregnancy be detected three days after having sex?

Can I detect pregnancy 3 days after having sex?

Generally, pregnancy cannot be detected within three days of having sex. Generally, it takes more than 35 days of amenorrhea to be effective.

The test can be done 7-10 days after sexual intercourse. Of course, the longer the time, the more accurate it is. The working principle of early pregnancy test paper pregnancy self-test is to detect the value of HCG (human chorionic gonadotropin). This hormone is produced by the placenta and usually appears in the urine a few days after pregnancy. However, due to the small amount, it is difficult to test it at the beginning and it becomes increasingly obvious after 10 to 14 days.

Although many types of early pregnancy test strips indicate that women can do a pregnancy self-test one day after missing their normal menstrual period, in fact, not all pregnant women release HCG hormones at the same rate and in the same amount. This varies from person to person. If a urine test is done too early, a negative result may be false. Therefore, it is best to do a pregnancy self-test two weeks after your period is late, so that the result will be more reliable.

Because HCG is secreted by the placental trophoblast cells, it can only be produced when the trophoblast layer is formed after the fertilized egg implants. It usually appears in the blood on the second day after implantation. The urine can usually not be detected until at least one week after implantation. Generally, it can be detected more easily after two weeks.

Sperm can reach the woman's fallopian tube within 24 hours after intercourse, and combine with the egg released by the woman in the fallopian tube to form a fertilized egg.

What is a pregnancy test?

For an early pregnancy test, you only need to drop morning urine into the small hole of the test board or insert the test board into the urine cup. The result will appear in the observation window of the test board within 5 minutes. If only one purple-red quality control line appears, it is negative; if another purple-red test line appears, it is positive. If the color of the test line is lighter than the control line, it is called a weak positive urine pregnancy test. Anyway, no matter how deep or shallow it is, as long as two lines appear on the test board, it indicates the possibility of pregnancy. A weak positive result should be repeated in about a week, or you can go to the obstetrics and gynecology department of the hospital and ask the doctor for further guidance.

Speaking of this simple early pregnancy test method, it was only used more than ten years ago. Before this, it was not easy for women to know whether they were pregnant. Because some urine pregnancy test methods in the past were not very sensitive and could only be detected at least 40 to 50 days after menstruation. The waiting time for the test results was also relatively long, about 20 minutes, and one had to register at the hospital outpatient department and then go to the laboratory to be conducted by specialized testing personnel. Since they cannot know whether they are pregnant as early as possible, many women use some drugs, or are exposed to X-rays, harmful substances, etc. in the initial period of pregnancy, which brings a lot of confusion to eugenics.

From the introduction in this article, we can know that it is impossible to detect pregnancy in women three days after having sex. If you are a woman who has unprotected sex during your ovulation period, it is best to carefully refer to the contents of this article and take active measures to test for pregnancy when it is possible.