How does at home pregnancy test work




















You might be surprised by certain symptoms that the first trimester of pregnancy can bring. Get the facts on 10 unusual symptoms, such as tasting…. Worried about a late period, but know you aren't pregnant? Missed or late periods can happen for plenty of other reasons.

Read on to learn about them. It's definitely that time of the month, but for some reason, your period has yet to make its appearance. Are you pregnant, or is it merely late? False positives and negatives can occur for a…. Discover the best time to be tested for HIV. The birth control pill introduces different hormones into your system. Learn how this may affect your menstrual cycle. Taking a daily prenatal multivitamin is essential to support a healthy pregnancy. These 13 top-rated brands are excellent options for both mom and….

Learn what to expect during your first prenatal visit. Health Conditions Discover Plan Connect. Medically reviewed by Nancy Carteron, M. How pregnancy tests work.

How soon can you take a pregnancy test? Share on Pinterest. You have cramps. Your breasts hurt. Your contraception failed. When in doubt, test! As with toothpaste, the hCG in urine supposedly reacts with the vinegar, causing a change in color. Once again, there is no evidence that this is true. Collect urine in a plastic container, and add 2 tablespoons of baking soda to it. If the mixture bubbles, it could be a positive result.

No scientific evidence, yet again. Pine-Sol, a pine-scented antibacterial household cleaner, is another popular ingredient in homemade pregnancy tests.

Wait at least 3 minutes. If it changes color, the result is positive. The homemade pregnancy tests described above have no scientific basis. They are urban myths. Pregnancy tests are also available online. In general, home pregnancy tests can be used the day after you miss your period. Some early detection pregnancy tests can be used earlier than that. Drugstore home pregnancy tests claim to be about 99 percent accurate. Pregnancy tests are more accurate when the first urine of the day is used.

If the results are conflicting, call your doctor. Consider some of these early symptoms of pregnancy :. Related: Weird early pregnancy symptoms. If you think you might be pregnant, call your doctor right away so that you can take a pregnancy test and begin prenatal care.

If you are trying to get pregnant you should be taking a prenatal vitamin with folic acid. Trying to figure out if you need to take a pregnancy test? These five important signs will help you decide.

If you miss your period but get a negative pregnancy test, there are a number of possible explanations. Here's what might be going on. False positives and negatives can occur for a…. If hCG is present in the urine, here it binds to proteins called antibodies. These antibodies have an enzyme attached to them which can participate in reactions further along the test strip.

The test zone contains different antibodies which are attached to the strip and unable to move. These antibodies also bind to hCG, creating something of a hCG sandwich between the two different antibodies. The enzyme on the mobile antibodies triggers a colour change in dye molecules on the test strip.

This line only appears if the urine contains hCG — and hence, if the woman is pregnant. Again, this triggers a colour change. This proves that the test is functioning correctly — whether a woman is pregnant or not, the control line should show. Digital pregnancy tests have become more common in recent years.

Though these may look different from the outside, they work in exactly the same way. Though home pregnancy tests seem commonplace now, they were only developed in the s. Prior to this, tests had to be carried out in laboratories.



0コメント

  • 1000 / 1000