What is control line on pregnancy test?

What is control line on pregnancy test?

The control line lets you know the test is working correctly. Every non-digital pregnancy test has two lines that are either parallel to each other or form a plus sign. The control line is not a positive result. If a control line does not appear after exposing the test to urine, the test is not working properly.

What does one dark line mean on a pregnancy test?

One line is the control line—it is usually darker and indicates that the test is working properly. The second line is the test line that indicates pregnancy by detecting the hormone human Chorionic Gonadotropin (hCG), which is not usually present in your body otherwise.

What is the Colour of control line?

The control line is supposed to be dark. It means that the test is working.

Should pregnancy line get darker?

If you had a linea nigra in your first pregnancy, you’ll likely have it again in later pregnancies – but not always. It can appear sooner or later, look fainter or darker, or not appear at all.

Why is my test line darker than the control line?

Different Line Colors When taking a pregnancy test, any line in the test indication area is considered a positive pregnancy test, even if it is lighter than the control line. The darker line is usually the control line. Sometimes this second line is so faint, you can barely see it.

Why is the second line on a pregnancy test so dark?

Although the line should be darker in relation to higher concentrations of hCG, the actual amount of hCG in a sample of urine can vary. This is due in large part to the concentration of your urine at any given time.

What does negative pregnancy test look like?

Negative Pregnancy Test For two-window tests, the first window would show the test line and the second window would show a single line that looks like a minus (-) symbol. This means you are not pregnant. On a digital test, a negative test result will say “Not Pregnant” or “No” to indicate that you aren’t expecting.

Does a darker line mean more hCG?

A: A darker line on the HPT does not necessarily mean the hCG is doubling. Sometimes you could get a darker line as your pregnancy progresses, but the urine test is not accurate enough to give you enough information about the hCG rise. Only a quantitative blood hCG test can tell you more about the increase.

Does a darker line on a pregnancy test mean more hCG?

Will a pregnancy test show earlier if twins?

Even if you are pregnant with twins, there’s no guarantee you will produce hCG any sooner than if you were pregnant with one baby. But because your levels may be higher, it is possible to detect a pregnancy slightly earlier due to higher levels of hCG.

Why is my test line darker than my control line?

When should test line be darker than control?

When taking a pregnancy test, any line in the test indication area is considered a positive pregnancy test, even if it is lighter than the control line. The darker line is usually the control line. Sometimes this second line is so faint, you can barely see it.

What are the symptoms of chemical pregnancy?

Symptoms of a chemical pregnancy.

• A heavier than normal period.
• More menstrual cramping than usual.
• Low hCG levels.
• Lack of common pregnancy symptoms like morning sickness or breast soreness after a positive pregnancy test.

Does dark line on pregnancy test mean twins?

Elevated Beta-hCG Levels If you are using a regular pregnancy test (not the super-sensitive variety) and get an immediate positive (especially a very dark positive indicator) a few days before your period is due, there may be an increased chance that you are carrying twins.

How many weeks does a chemical pregnancy occur?

A chemical pregnancy (sometimes called biochemical pregnancy) is a very early pregnancy loss which usually happens just after the embryo implants (before or around 5 weeks).