Jade eggs are smooth, egg-shaped stones designed to be inserted into the vagina, typically marketed for pelvic floor strengthening and sexual wellness. Proponents recommend inserting one for a few minutes up to 20 minutes daily. Before you start, though, you should know that most gynecologists advise against using them, citing real risks of infection, muscle problems, and injury with no proven benefits over standard pelvic floor exercises.
If you’ve already purchased one and plan to use it regardless, here’s what you need to know to reduce your risk of harm.
Why Most Doctors Advise Against Jade Eggs
The Cleveland Clinic’s position is blunt: yoni eggs aren’t safe, and they don’t have any proven benefits. The concerns are specific and worth understanding before you decide whether to proceed.
Jade and similar stones are semi-porous materials, meaning tiny surface holes can harbor bacteria even after cleaning. This creates a persistent infection risk, particularly for bacterial vaginosis. Keeping any foreign body inside the vagina for extended periods also raises the risk of toxic shock syndrome (TSS), a rare but serious condition. Beyond infection, the stone can cause physical irritation, scratches, or small tears to vaginal tissue.
There’s also a muscular concern that surprises many people. Effective pelvic floor training requires a contract-release-relax cycle. Simply holding an egg inside you keeps the muscles in constant tension without that release phase. Over time, this can lead to painful pelvic floor spasms, a condition called hypertonic pelvic floor, which is the opposite of what most users are trying to achieve.
Choosing the Right Size
Jade eggs come in three standard sizes:
- Large: approximately 50 x 38 mm
- Medium: approximately 43 x 30 mm
- Small: approximately 35 x 25 mm
This is counterintuitive, but beginners typically start with the largest size. A bigger egg gives your muscles something easier to grip and hold. If you’re postpartum, in early menopause, or notice reduced pelvic floor tone, the large egg is the usual starting recommendation. If your pelvic floor already feels strong, a medium egg offers more of a challenge. The small size is considered advanced because it requires significantly more muscular control to hold in place.
How to Clean a Jade Egg
Proper cleaning is critical because the stone’s semi-porous surface traps bacteria more easily than non-porous materials like medical-grade silicone. Before your first use and after every session, wash the egg thoroughly with a mild, fragrance-free soap and warm water.
For a deeper clean, boil water and then remove it from heat. Let it cool for a few minutes before placing the egg in the hot water for 10 to 15 minutes. Do not put the egg directly into boiling water. The thermal shock can crack the stone, creating new crevices where bacteria thrive. After soaking, lift the egg out and let it cool completely before use. Store it in a clean, breathable pouch rather than a sealed container.
How to Spot a Fake
The market is flooded with imitation jade eggs made from dyed glass, dyed quartz, or acid-treated and polymer-filled stone. These fakes carry additional risks because dyes and resins can leach chemicals into vaginal tissue, which is highly absorbent.
A few red flags to watch for: if you rub the egg briskly and it starts attracting small bits of paper, it likely contains polymer filler, a sign of treated jade. Under a UV or blacklight, treated jade often glows blue or purple due to resin infusion. Spiderweb-like cracks or unusual surface patterns can indicate acid treatment. Genuine nephrite jade feels cool to the touch, is dense and heavy for its size, and has a smooth, slightly waxy luster rather than a glassy shine. If you’re uncertain, a gemologist can verify authenticity for a small fee.
How to Insert and Use a Jade Egg
If you choose to proceed, start by finding a comfortable position, either lying down or standing with one foot elevated. Apply a small amount of water-based lubricant to the egg (avoid silicone or oil-based lubricants, which can be harder to clean from the stone’s surface). Insert the wider end first, gently pushing it in the way you would a tampon. If your egg has a drilled hole with a retrieval string, make sure the string hangs outside the body.
Once inserted, you can practice pelvic floor contractions: squeeze the muscles around the egg, hold for a few seconds, then consciously relax. This contract-and-release pattern is important. Simply leaving the egg in place without actively relaxing between contractions is what leads to the muscle tension problems gynecologists warn about.
Limit your session to no more than 20 minutes. Longer use significantly increases infection risk. To remove the egg, bear down gently with your pelvic floor muscles as if you’re pushing, and guide it out with your fingers. If your egg has a retrieval string, you can use that. The egg won’t get “lost” inside you, as the cervix prevents it from traveling further, but relaxing and bearing down makes removal easier if it feels stuck.
When to Avoid Use Entirely
You should not use a jade egg during pregnancy, during menstruation, or if you have an active vaginal infection. If you have an IUD, inserting any object carries a risk of displacing it. Anyone with a history of pelvic floor dysfunction, especially pelvic pain or muscle tightness, should avoid jade eggs entirely, since the constant tension they create can worsen these conditions.
Safer Alternatives for Pelvic Floor Strength
Kegel exercises accomplish the same pelvic floor strengthening that jade eggs claim to offer, without any of the infection or injury risks. The technique is simple: contract your pelvic floor muscles (the ones you’d use to stop urinating midstream), hold for 3 to 5 seconds, then fully relax for the same duration. Repeat 10 to 15 times, three times a day.
If you want a device to provide feedback or resistance, medical-grade silicone pelvic floor trainers are non-porous, easy to sterilize, and designed specifically for vaginal use. Some connect to smartphone apps that guide you through proper contract-release cycles. For persistent pelvic floor weakness, a pelvic floor physical therapist can create a personalized program that’s far more effective than any egg.