Very Simple Baking Soda Trick To Check If You Are Expecting Boy Or Girl

2 min


You’ve probably heard of many ways to predict whether you’re having a boy or a girl. Some of these old wife’s tales are quite popular, especially on forums and various pregnancy sites you’ll find online. The baking soda gender test is particularly easy and inexpensive, but does it work? Here’s what the science has to say, as well as some more reliable ways to learn the sex of your baby.

How does it work?

You can do this test at your own home using supplies you likely already own. All you’ll need is some baking soda in a small container and another clean container to catch your urine.

To collect your urine, wash your hands, sit on the toilet, and hold the container under yourself while you void a small amount. For extra safety, you may consider wearing latex gloves.

First-morning urine is preferred with this test since drinking water throughout the day is thought to dilute the urine and skew the results.

You’ll need about equal parts urine to baking soda. There’s no consensus on specific measurements. Once you have these two crucial ingredients, slowly pour the urine into the baking soda and watch to see if it fizzes.


If the urine fizzes or sizzles in the baking soda, you’re supposedly having a boy. If nothing happens and it stays flat, you’re supposedly having a girl.


Performing this test may make you feel a bit like a scientist in a lab. And some science is at play here. Baking soda is also called sodium bicarbonate. It reacts with most acids, so the fizzing, if it occurs, is a chemical reaction between the acid in your urine and the baking soda base.

Things that may make your urine acidic include anything from eating certain foods to being dehydrated. For example, if you’ve had bad morning sickness with lots of vomiting, your urine may be more acidic. High acidity in the urine may be linked with a higher instance of urinary tract infections. Lowering the acidity may be as simple as eating less meat or taking antacids.

Your result with the baking soda gender test may vary depending on:

  • the day you take the test
  • what you’ve eaten or had to drink
  • your urine’s pH level

None of these factors have anything to do with the sex of your baby.

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So, exactly how accurate is this test? This test only works 50% of the time, which is the same as flipping a coin. And that doesn’t have anything to do with the validity of the test itself. You have about a 50 percent chance of conceiving a boy or girl.

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