Soap Pregnancy Test – How to Do It and Does it Work?

Medically Reviewed By
Dr. Sabiha Anjum (Gynecologist/Obstetrician)
Expert Validated

Pregnancy tests can be carried out from the comfort of your home and are a great alternative to going to the hospital and waiting for results. But have you heard about the soap pregnancy test? Cheap, inexpensive, and too good to be true. While there are several different pregnancy test kits available in the market and at-home DIY pregnancy tests, like a baking soda test (although there are no scientific claims for at-home tests), there is one that silently circulates around, i.e. the soap pregnancy test. This pregnancy test involves using soap to find out if you are pregnant or not. If you are thinking of trying a cheaper and more reliable pregnancy test, then we recommend reading this article to learn whether the soap pregnancy test is truly reliable or just another sham!

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What Is a Homemade Pregnancy Test With Soap?

A soapy water pregnancy test involves mixing the soapy water with your urine to test whether you might be pregnant. You can easily make soapy water at home, so this is a simple test, and you can do it as many times as you want. Remember, this test is not medically verified, and the results are often skewed.

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To find out if you are pregnant or not, use reliable pregnancy kits or go to your gynaecologist for a checkup.

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How Accurate Are Soap-Based Homemade Pregnancy Tests?

Although popular beliefs, the soap pregnancy test is not a reliable method of pregnancy detection. A soap can turn frothy anyway if things are added to it, and it can even likely give the same result if a non-pregnant woman tries it. For the best and most accurate results, it is always advised to use reliable pregnancy kits (do check their expiry dates before purchasing) or get a blood or urine test or ultrasound at healthcare facilities (1).

What Will You Require for a Soap Pregnancy Test?

  • 1 small piece of soap
  • Water
  • 2 tablespoons of your morning urine sample
  • A plastic cup

How to Perform a Soap Pregnancy Test?

Performing the test itself is extremely easy. Take a piece of soap and mix it with water till foam appears and you get a bubbly solution. Collect your morning urine, as it has high levels of human chorionic gonadotropin (hCG), also known as pregnancy hormones (1). Add the urine to the soap solution. Make sure to add more urine than soap, the soap water to urine ratio should be 1:3 to ensure best results. You will have to wait for 5-10 minutes before checking the result, so keep the mixture untouched.

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How to Evaluate the Results for a Homemade Pregnancy Test With Soap?

After leaving the mixture untouched for about ten minutes, you can check the results of the soap pregnancy test for positive or negative.

TEST RESULTS

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Positive Results

In the home pregnancy test with soap, results can be noticed easily. If you are pregnant, the solution will most likely start to bubble up and also change colour to a greenish-blue colour.

Negative Results

If there is no change in the solution after 10 minutes, it means that you are not pregnant.

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When to Consult the Doctor?

If you happen to have engaged in unprotected sex or missed your period, it’s best to look out for early pregnancy symptoms by getting a diagnosis from a gynaecologist. The pregnancy symptoms you may experience include morning sickness, bloating, constipation, cramps, missed periods, fatigue, and tenderness in the breasts (2).

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FAQs

1. Can I reuse the same soap pregnancy test one more time?

The homemade pregnancy test using soap lacks accuracy and reliability. Additionally, the soap mixture cannot be reused because urine is already present in it. It is best to get a reliable pregnancy test or get the test done by a healthcare provider.

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2. How do I throw the soap pregnancy test mixture?

If it is a liquid soap, you can flush the mixture down the toilet. However, if it is a soap bar, it is advised not to flush it as it can block the drain. Instead, wrap it in a paper or plastic wrap (like you do for sanitary pads) and throw it in the trash.

There are many pregnancy tests that you can try using items that can be easily found in your house like, sugar, toothpaste, vinegar, etc. All these tests have the same procedure of mixing your urine with one of the items. In the case of sugar, if the sugar starts clumping up when mixed with urine, that is a sign that you could be pregnant. With toothpaste and vinegar, when you mix these items with your urine and their colour changes, you could be pregnant. However, you should know that there is no scientific research proving this test’s accuracy.

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The only advantage of doing these tests is that you can perform them from the comfort of your home. Since there is no scientific research backing the validity of these homemade pregnancy tests, it is best not to rely on their results entirely. You can try this soap pregnancy test at home for fun, but to know whether you are really pregnant or not, use reliable pregnancy kits or visit a clinic to get a blood test that will give you accurate results.

References/Resources:

1. Pregnancy Tests; Cleveland Clinic; https://my.clevelandclinic.org/health/diagnostics/9703-pregnancy-tests

2. Guide for First Time Parents; REGIS; https://online.regiscollege.edu/guide-first-time-parents/

Also Read:

Torch Test Pregnancy Test
False Positive Pregnancy Test
How to Test for Pregnancy With Salt?
Homemade Pregnancy Test With Shampoo

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About the Author
Aparna

Dr. Sabiha Anjum About the Expert
Dr. Sabiha Anjum
(Gynecologist/Obstetrician)

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