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What is a pregnancy test? Types and reasons of false positive pregnancy test
مقاله تخصصی

What is a pregnancy test? Types and reasons of false positive pregnancy test

3 months ago
194 بازدید

Pregnancy test is one of the most exciting laboratory tests for any woman....Pregnancy test can be done at home or in a laboratory....To know if you are pregnant or not, you can use pregnancy blood test or pregnancy urine test....Both methods will give you reliable results if you take the pregnancy test at the right time....Reading this article from GCORP LLC will help you know when to take a pregnancy test.. It is possible be faced with a false positive result.

Types of pregnancy test

Pregnancy test and pregnancy test have different types.... Each of these tests has its positive and negative points, and the probability of their certainty is not necessarily 100%.... The results of the pregnancy test are the most accurate on the first day after the cessation of menstruation.... Of course, the best thing is to wait at least one week after the cessation of menstruation so that it is associated with the minimum amount of menstruation.. Error.

Home pregnancy test

In home pregnancy tests (HPT), the amount of human chorionic gonadotropin (hCG) is checked in the urine.... This hormone can only be measured during pregnancy.... The chemical in the test strip changes color after exposure to this hormone.... The waiting time varies depending on the type of test.... You should wait about 1 minute for the home test result.
It is definitely recommended that at least two Do a home pregnancy test many times.. Taking a pregnancy test early or late can lead to wrong results.

Read more: What is beta pregnancy test?

Urine test

Urine pregnancy test can be done in medical centers.... The accuracy of this pregnancy test is the same as the home pregnancy test.... In order for the test to be accompanied by the least error, you can consult with the doctor about the time to send the sample.... The best urine sample is in the morning, which can have the highest concentration of hcg hormone.... There is no need to fast to perform this test.

pregnancy blood test

Pregnancy blood test should be done in medical centers.... A medical diagnostic laboratory measures the status of the Hcg hormone by conducting a blood test.... Using the laboratory services of GCORP LLC, you can perform a pregnancy test at home or at the place of your choice.
Blood tests to determine pregnancy are divided into two main types:
The purpose of the blood test is to check its quality: the amount of HCG production in the body.... So, a simple yes or no answer about A person's pregnancy is obtained.
Quantitative HCG test: The purpose of this test is to accurately determine the amount of hcG in the body.
There is no need to be fasting to perform this test... The blood sample is usually taken from the arm.

What should we do if the result of the pregnancy test is positive?

If the result of the pregnancy test is positive, see a gynecologist as soon as possible.... To be more precise, you should consult a doctor before reaching the 8-week period.... The specialist will help you in the following cases:

  • termination of pregnancy
  • Continuation of pregnancy and adaptation to conditions
  • Measures that can be taken to continue pregnancy

For more information or to schedule an appointment with a gynecologist, obstetrics and gynecology specialist, make an appointment online with GCORP LLC.

Causes of false positive pregnancy test result

We want to answer an important and breathtaking question, is the pregnancy test wrong?. Yes, it is possible.... A positive pregnancy test does not always mean that pregnancy has occurred.... There are several factors that can affect the test result and lead to a false positive or negative result.... A false positive pregnancy test result occurs for several reasons:

Chemical pregnancy

Chemical pregnancy happens when the fertilized egg or sperm cannot implant or grow in the early stages for various reasons... Early pregnancy loss is not because the person did something on purpose, but can be caused by problems inside the uterus, such as:

  • Fibroma
  • Scar tissue (scar)
  • Congenital disorders of the uterus that cause an irregular shape of the uterus.
  • Low levels of some hormones, such as progesterone, reduce the possibility of implantation and development of the embryo.

You should also know that some causes of chemical overload are unknown.

Learn more: Hot flashes in pregnancy

Menopause

Hcg hormone levels increase in women who are at or around menopause....this can affect the result of a pregnancy test and lead to a false positive result....With the onset of menopause, the production of estrogen and progesterone hormones stops and the level of pituitary HCG hormone increases.

ectopic pregnancy

Sometimes the implantation of the fertilized egg takes place outside the main cavity of the uterus, which causes an ectopic pregnancy.. Usually, an ectopic pregnancy occurs when the fertilized egg remains motionless in the fallopian tube while it travels to the uterus.. This is an emergency situation and can affect a person's health to effectively.... Heavy bleeding and loss of genital organs are among the complications of an ectopic pregnancy.... This type of pregnancy may be The following reasons occur:

  • Scar tissue or inflammation in the fallopian tube
  • Abnormal shape of fallopian tube
  • History of uterine infection

Ectopic pregnancy may occur in the cervix, ovary or abdominal cavity.

Ovarian diseases, including cysts

Many women are faced with ovarian cysts, but does an ovarian cyst cause a positive pregnancy test?

The Mayoclinic site writes about this:

Some ovarian cysts can have a negative effect on fertility.. Among them, the following can be mentioned:

  • Cysts caused by endometriosis.
  • Cysts caused by polycystic ovary syndrome (pcos)
  • Follicular cyst or corpus luteum cyst

Spontaneous abortion or intentional abortion

After a miscarriage, whether spontaneous or intentional, a pregnancy test can be positive... As the pregnancy begins and during it, the level of the hormone hCG increases... Up to six weeks after the end of the pregnancy, human chorionic gonadotropin is present in the blood and urine.

Learn more: Home pregnancy test

Consumption of certain drugs

Using fertility drugs, such as the synthetic hormone hCG, can also cause errors in pregnancy test results. This referee helps follicles release mature eggs, which can cause false positive home pregnancy test readings, especially when the test is taken too soon.
The following drugs can affect test results:

  • Medications such as diazepam (Valium) or alprozolam (Xanax) for anxiety...
  • antipsychotics such as clozapine or chlorpromazine
  • Medications used to control seizures, such as phenobarbital and other barbiturates
  • Parkinson's disease medications, including bromocriptine (Parlodel)
  • diuretics such as furosemide (Lasix, Diuscreen)
  • Antihistamines, including promethazine
  • Methadone (Dolphin)

Special medical conditions

Certain medical problems can cause a false positive result... Of course, this situation is rare, but not out of the question:

  • Urinary tract infection
  • Kidney disease that causes blood or white blood cells in the urine
  • More dangerous diseases such as ovarian cancer
  • Pituitary problems (very rare)

User error

The types of home pregnancy test kits have acceptable accuracy.... Of course, there is a possibility of error in them.... For example, their expiration date may have passed or they were used too soon, for this reason, the result of the pregnancy test will be negative or false positive.. It is recognized that two lines are seen and when this hormone is not detected, one line is seen in the Eva test completely after the u pora lines appear.

When is the best time to take a pregnancy test?

When should I take a pregnancy test? This is an important question that you must refer to the internet to find the answer.... Remember one important thing about the best time to take a pregnancy test.... HCG hormone is present in the body after pregnancy.... Many women consider the last sex to be pregnant, that's why they face this error.... Not every sex can lead to conception.... If you have a regular period and it should be a week now, maybe take a test at least one week after pregnancy.. Intercourse....If you are pregnant, it takes time to develop a detectable level of HCG....this usually takes 7-12 days after conception....if the test is done in the early days of the menstrual cycle, you may get a false result..if you suspect pregnancy, you can take a pregnancy test at any time of the day....the test result will be available to you just a few hours after the sampling

..

view more Do: online appointment booking for obstetrician and gynecologist

Symptoms of suspected pregnancy and taking a pregnancy test

Delay in menstruation

Delay in menstruation is one of the most important signs of pregnancy....menstrual cycle is usually 28 days....if more than a month has passed since your last period, it is better to take a pregnancy test....don't forget that sometimes stress, diet, exercise or some medical conditions may delay menstruation.

Muscle cramps

The feeling of implantation is similar to menstrual cramps.... At the beginning of pregnancy, you may feel this discomfort and think that your period is approaching, but after that it is no longer visible.

Breast pain

During pregnancy, the level of estrogen and progesterone hormones increases.... these hormones create changes in the body to support the growth of the child.... due to the increase in blood flow, the breasts become painful and appear larger.... Also, the nipples may hurt and the veins under the skin appear dark.... Since many women also feel discomfort in the breasts during the days of pregnancy, this symptom always leads to pregnancy.. No.

You feel differently

Along with cramping and breast pain, early pregnancy can cause the following:

  • Nausea
  • Aversion to food
  • fatigue
  • Urine frequency

Over time, these symptoms may intensify before the HCG levels decrease at the end of the first trimester... You know yourself, so pay attention to your body... Unusual physical symptoms can prompt you to take a pregnancy test.

Prevention of unsuccessful pregnancy

Birth control pills, condoms, and other types of birth control do not provide 100% protection against pregnancy. In other words, no matter what you do, there is always a chance of pregnancy.

Human error or failure can also lead to unintended pregnancy.. 9 out of 100 women will become pregnant if the pill is not used... Condoms may break or be used incorrectly.. Each year, approximately 18 out of 100 women who rely on condoms for contraception will become pregnant.

Forums related to this article

  • Which home pregnancy test is more accurate?
  • Do you have to fast for a pregnancy blood test?
  • What color should the vinegar pregnancy test be?
  • Is it possible to get pregnant a week before the period?
  • Can a pregnancy test be done with fingerprints?
  • Diagnosis of pregnancy from the palm of the hand
  • How to read the answer of the pregnancy test?
  • When does an ovulation kit test positive in a 30-day cycle?

Sources: healthline | Myoclinic | Medicalnewstoday

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