Using the Ring Test During Pregnancy to Predict Your Baby's Sex

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A simple guide to performing a ring test and how to interpret the results

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How do you perform the ring test?

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Is the ring test accurate?

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Other Myths

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Accurate Tests

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How Can You Tell If Your Baby Is a Boy Or a Girl?

You’re dying to know your baby’s sex, and you just can’t wait any longer for an ultrasound. What about the ring test? What is it? Does it work? There are a number of old wives tales and superstitions that claim to be able to predict the gender of your baby, and we’re here to help you sort the reliable from the less-than-accurate. We’ll show you how to do the ring test and other fun myths (and let you in on if they really work), plus some more accurate ways to tell the sex of your baby.

Things You Should Know

Perform the ring test by dangling a wedding band over your belly—if it swings back and forth, it’s said you’ll have a boy. If it swings in circles, you’ll have a girl.
Keep in mind that the ring test is only a myth, and doesn’t provide scientifically accurate results, but is a fun old wives’ tale for you and your family to try.
Visit a medical professional to have an ultrasound or an NIPT (Non-Invasive Prenatal Test), which are more accurate ways to determine a baby's sex.

Section 1 of 4:

How do you perform the ring test?

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1
Loop a length of string through a wedding ring. This test is often done with the woman’s wedding ring, and if you’re unmarried, the ring doesn’t have to be a wedding band—any ring that belongs to the participant will do. You might also use yarn, thread, or even a strand of hair instead of string.^{[1]XResearch source} Make the loop long enough for the wedding band to dangle over your stomach.
- Many people also use a sewing needle instead of a wedding ring, with the string threaded through the needle’s eye (the test is done in the same way with a needle as with a ring).
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Hold the string and wedding ring (or needle) over your belly. Lay flat on your back and let the ring dangle so that the string is taut. Wait for a moment, and observe how the band moves.^{[2]XResearch source}
- Note that you don’t have to be pregnant to try this test! It’s a fun activity for anyone who plans to have kids.
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Expect a girl if the ring makes circles, or a boy if it swings back & forth. Some say the motion of the ring as it hangs over your stomach tells you if you’re having a boy or a girl.^{[3]XResearch source} Others say the reverse is true–that if the ring moves from side to side, you’re having a girl, and vice versa.^{[4]XResearch source} Opinions differ, so remember: it’s only a myth!
- Another version of the myth swings the ring over your hand.^{[5]XResearch source} This variation claims that each swing of the ring predicts another baby you’ll have, as well as that baby’s sex, and the test is only over when the ring stops swinging.

Section 2 of 4:

Is the ring test accurate?

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While fun to try, the ring test isn’t a reliable indicator of a baby’s sex. Like many other tests of its kind, the ring test has no scientific basis for its results.^{[6]XResearch source} The outcome of the test is most likely caused by ideomotor movements, which are the subconscious motions people make because of prior notions or preconceptions.^{[7]XResearch source} While you may not realize it in the moment, you’re actually causing the movement of the ring yourself. Otherwise, the ring may be responding to the minute trembling of your arm or hand.
- Statistically, the ring test is just as likely to indicate someone is having a boy as it is to indicate they’re having a girl. Still, it’s a fun tradition to take part in.
- It might not tell you the sex of your baby, but your ideomotor movements might reveal which sex you subconsciously want!

Section 3 of 4:

Other Myths

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Some say that you can tell a baby’s sex by how the pregnancy “carries.” If the fetus is high in the belly, they say it’s a girl, and low in the belly means it’s a boy. Others say horizontal protrusions indicate a girl, and protruding more outward means it’s a boy.^{[8]XResearch source} Both of these are only hearsay, and shouldn’t be relied on to give an accurate indication of a fetus’ sex. Still, it doesn’t hurt to speculate.
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The heartbeat test One of the most common pregnancy myths that you can tell the sex based on the baby’s heartbeat. If the fetal heart rate is less than 140 bpm, then it’s a boy, right? Not quite. It’s true that a girl’s heart rate is often faster than a boy’s, but that’s only after the onset of labor, and there’s no significant difference at every other moment of pregnancy.^{[9]XResearch source}
There's a myth that cravings during pregnancy can predict the baby’s sex. If you crave sweets, some might say you’ll have a girl. Craving salt? That’s an indicator of a male baby.^{[10]XResearch source} Pregnant people crave all sorts of things for a number of reasons, but these have more to do with the fetus’ own growth, and perhaps even the cultural environment of the parent, than the baby’s sex.^{[11]XTrustworthy SourcePubMed CentralJournal archive from the U.S. National Institutes of HealthGo to source}
Another old wives' tale claims that morning sickness can indicate a baby's sex. While probably not the most accurate test, the jury’s still out on this one. There could be some correlation between more intense and frequent instances of morning sickness indicating a female baby, but the research can’t say for certain just yet.^{[12]XTrustworthy SourcePubMed CentralJournal archive from the U.S. National Institutes of HealthGo to source}

Section 4 of 4:

Accurate Tests

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When performed by a professional in an appropriate environment, ultrasounds are incredibly accurate, and have a very low chance of getting the sex of a baby wrong.^{[13]XTrustworthy SourcePubMed CentralJournal archive from the U.S. National Institutes of HealthGo to source} Ultrasounds are typically performed at 18-20 weeks during a pregnancy, but may be performed earlier depending on the condition of the pregnant person.^{[14]XTrustworthy SourceMarch of DimesNonprofit organization devoted to improving the lives of mothers and babies.Go to source} If you’re curious about you’re baby’s gender, consider getting an ultrasound.
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NIPTs Non-invasive prenatal testing uses a small amount of blood from the pregnant person to analyze a fetus’ DNA. Though more commonly used to test for chromosomal abnormalities and other conditions, NIPTs can also accurately indicate the sex of an unborn baby.^{[15]XTrustworthy SourcePubMed CentralJournal archive from the U.S. National Institutes of HealthGo to source}
- CVS and amino tests are 2 additional, accurate tests for your baby’s sex, however these tests are invasive and not typically done for sex prediction, primarily, and aren’t recommended over ultrasounds or NIPTs.^{[16]XTrustworthy SourceCenters for Disease Control and PreventionMain public health institute for the US, run by the Dept. of Health and Human ServicesGo to source}