Having intercourse on the 17th, on which day can pregnancy be detected?

Jan 30, 2023 Source: Cainiu Health
Dr. Lv Aiming
Introduction
Pregnancy usually refers to gestation. In general, pregnancy can be detected around the 27th if intercourse occurred on the 17th, meaning that pregnancy can typically be identified through a blood test measuring HCG levels about 10 days after intercourse. The timing also depends on the testing method used. If using a urine-based early pregnancy test strip or pregnancy test stick, it may take at least 15 days for accurate results. The appropriate time for taking an early pregnancy test varies depending on the testing method employed.

Pregnancy generally refers to gestation. In most cases, pregnancy can be detected around the 27th if intercourse occurred on the 17th, meaning pregnancy can usually be identified approximately 10 days after intercourse through blood tests measuring HCG levels. However, this also depends on the testing method used. If using a home pregnancy test strip or pregnancy test stick, it may take at least 15 days for accurate results.

The timing for taking a pregnancy test varies depending on the method. The most clinically accurate and earliest method is measuring HCG levels in the blood, which can detect pregnancy as early as 7–10 days after intercourse. Another option is a urine pregnancy test, such as a home pregnancy test strip or test stick, which is typically performed about two weeks after intercourse. These are simple and convenient to use but may have some margin of error; therefore, if the result is positive, it's recommended to visit a hospital for confirmation. Additionally, ultrasound examination can be used to determine pregnancy. Ultrasound accurately identifies the location of the gestational sac, confirming whether the pregnancy is intrauterine or ectopic. It also allows visualization of the size of the gestational sac, enabling indirect estimation of gestational age. Ultrasound is generally performed about three weeks after intercourse.

It is recommended that women visit a hospital early to assess the size of the gestational sac and, based on professional medical advice, decide on their next steps.

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