My husband is an RF engineer. When I got pregnant, he wouldn't drop EMF. I'm a stats analyst โ I told him to stop being paranoid. Four months of testing later, I owed him an apology. This is what we found, written by the skeptic in this story.
Every phone sold in the United States has a safety number on the box.
That number tells you how much radiation the phone produces during use.
It comes from a single test the federal government runs on every device before approving it.
That test was designed in 1996.
To run it, the agency uses a model of a human being. The model is an adult male โ six foot two, 220 pounds.
Every phone has been measured against that one model for almost thirty years.
There has never been a version of the model for a pregnant woman.
There has never been one for a fetus โ the medical word for the baby growing inside you.
The number on your phone box was calculated using a body shaped nothing like yours, with a body chemistry nothing like the one you're carrying right now.
I learned this at week eight of my pregnancy.
My obstetrician didn't tell me. My pregnancy app didn't even mention the test. The box my phone came in had the safety number printed on it but nothing about how it was tested.
My husband told me.
My name is Hannah Karlsen. I'm 33. I work as a senior statistical analyst at a biotech firm in Manhattan.
I'm married to Peter. He's an RF engineer at a major telecommunications company that designs the chipsets inside cellular antennas. For seven years his work has covered antenna performance, signal integrity, and the federal safety testing that comes with both. He owns a spectrum analyzer.
In seven years he had never brought any of it home. He'd read the test reports, sign off on antenna designs, go to conferences. He had no personal reason to worry about any of it.
Then I got pregnant in March.
I don't know exactly when it shifted for him. By week eight he was asking me where I usually charged my phone. By week nine he was showing me FCC documents at the dinner table โ quietly, not pushing, but he kept coming back with another one.
I was throwing up most mornings. I had headaches every afternoon. My OB had told me to expect both. I wasn't sleeping. I had no bandwidth for engineer paranoia.
I told him to drop it.
Then I read the documents.
I'm writing this article because every pregnant woman scrolling past this should know what I found. The people supposed to tell you โ your doctor, your pregnancy app, the agency that approved your phone โ haven't told you. Their hands are clean. The information was available. It just wasn't in front of you.
Here's what was in those documents.
That was the test.
Here's what's worse.
The agency hasn't been ignorant of the gap. They've been petitioned about it for over a decade. By independent scientists. By academic working groups. By the Environmental Health Trust โ a research nonprofit that has filed multiple formal requests for the standard to be reviewed.
Environmental Health Trust files a formal request asking the FCC to update the standard.
Agency officially refuses to update. Says the existing standard is sufficient.
Decision called "arbitrary and capricious." Court orders the agency to respond.
Four years after the court order, the agency has not responded. The 1996 standard still governs every phone sold today.
The 1996 SAR standard โ built for the 220-lb adult male you read about above โ still governs every phone sold in the U.S. Including the one you're holding right now.
I'm a stats analyst. I checked the court ruling. I checked the FCC's 2019 denial. I checked the petitions filed by the Environmental Health Trust going back to 2013.
It was all there. Documented. Public record.
I conceded the regulatory gap.
I told Peter: "Fine. The agency is failing. That means our regulatory standard is bad. That's different from saying we should buy something to fix it."
He nodded. "Let me show you what's actually happening to your baby while the agency is failing."
Before he showed me, Peter defined what we were even talking about.
EMF stands for electromagnetic field. It's the field your phone, your laptop, your WiFi router, your TV, your microwave generate around themselves while operating. They communicate by sending and receiving radio waves. That's the field.
It is not the same as the radiation in an X-ray. X-ray radiation has enough energy to break chemical bonds in your DNA. The radiation from your phone does not.
That's the "non-ionizing" part of the FCC's reassurance.
Here's what the reassurance doesn't address.
There's more than one way for radiation to damage cells. Bond-breaking is one. There are others. The 1996 standard was built around bond-breaking and only bond-breaking.
There's another way that doesn't break bonds. Scientists call it oxidative stress. The simplest way to picture it is rust โ but rust forming inside a cell instead of on metal.
Peter handed me the study. He'd already read it. We sat at the kitchen table and went through it together โ paragraph by paragraph. Every term I didn't recognize, he stopped and explained. He didn't move on until I understood.
Imagine rust forming inside a cell. Every cell in your body produces a tiny amount of this kind of damage every second โ like rust building up on metal. Your body has a built-in cleanup system that neutralizes it within seconds. In an adult, the cleanup keeps up.
Here's what EMF does on top of the baseline.
When the field from your phone, your laptop, your WiFi router passes through your tissue, your cells absorb some of that energy. They produce extra rust from it โ on top of what they were already producing. The cleanup system has more to handle.
| In an adult body | In your baby โ weeks 8 to 28 |
|---|---|
| Cleanup system runs in background | Cleanup system not yet built |
| Vitamin C neutralizes damage in seconds | No antioxidant defense yet |
| Extra rust gets cleaned up | Extra rust accumulates |
This is the part that stopped me reading.
In your baby, between week eight and week twenty-eight, the brain is being built at the rate of about 250,000 brain cells per minute.
Every one of those cells is producing the baseline rust adult cells produce.
Plus the extra rust from every device near her โ your phone on your belly while you scroll in bed, the laptop on your lap during work meetings, the WiFi router four feet from the couch where you sit on Sundays.
The cleanup system that handles all of that in your adult body is not yet running in your baby's body.
It's still being built.
The extra damage that doesn't matter to you, doesn't get cleaned up in your baby.
That's the gap.
I read the paper twice.
Then I asked Peter what we could actually do.
Before I list these, I have to admit something.
Every single one of these six things, I was doing wrong before week eight.
I'd never thought about any of them. My phone slept inches from my head. My laptop sat on my belly five hours a day. The router in my bedroom was on twenty-four hours.
I didn't know I was doing them wrong because nobody had told me they were wrong.
Here are the six things I was doing wrong. The first five cost nothing to fix. The sixth cost about forty dollars and is the thing I almost didn't write about.
Ours was on a shelf five feet from our bed. We moved it twenty-five feet away to the living room. Peter measured before and after. Bedroom RF dropped by roughly 70%. The router still works fine throughout the apartment.
Both of our phones used to charge inches from our heads while we slept. Now they charge in the kitchen. If we need an alarm, an old-fashioned one works. If we need to be reachable for emergency, one phone goes on airplane mode and stays at least six feet from the bed.
Doomscrolling at midnight? Airplane mode. Reading on the phone in bed? Airplane mode. Your phone doesn't need to be transmitting to do most of what you use it for in the evening.
Especially during pregnancy. Especially during the second trimester. WiFi is broadcasting from the underside of your laptop continuously. The closer the device is to your abdomen, the higher the local exposure. Use a desk. Use a table. Use a pillow under the laptop if you have to.
The bedroom is eight hours. The other sixteen hours include your commute, your office, your in-laws' apartment, the coffee shop, the doctor's waiting room. Phone in your back pocket. Laptop in a meeting. Bluetooth in the car. Public WiFi at every airport.
You can't hide from EMF for thirty-two weeks. But you can be aware of where it's heaviest and reduce what you can.
That's where we got stuck.
Five mistakes corrected solved the bedroom and changed how we used devices at home. They did not solve mobile exposure. I work from home five hours a day with my laptop near my belly. I take Bluetooth calls in the car. We visit family every Sunday and their router is four feet from the couch.
I asked Peter what to do about the rest.
"There's a category of products designed for exactly that problem. Most are wellness theater. Some are worse than nothing โ they actually increase your exposure."
"Wellness stickers. You're seriously suggesting we test wellness stickers."
"I'm suggesting we test what's available. If they're all bullshit, that's data. If one isn't, that's also data."
We tested six mainstream brands. Here's exactly what we bought from Amazon and what we paid:
Peter handled the measurements. I read the data with him each month. The spectrum analyzer doesn't care about brand names โ it just shows what's actually happening to the field.
We tested for four months. Spectrum analyzer measurements at month zero, month one, month two, month three, and month four. Same phone. Same room. Same baseline conditions.
Here's what happened to five of them.
Returned to baseline. The pattern reorganization we saw at month zero was gone. The sticker still looked identical on the outside.
Both flat. Both still looking brand new on the phone. Three stickers had now degraded silently โ Aulterra, EMF Harmony, and Aires. They still looked perfect. They just stopped doing anything.
Their readings by month one were higher than the bare phone control. The phone was broadcasting harder with those two stickers on than without them.
Both SafeSleeve and WaveBlock use a metallic shielding layer. When you put a metallic compound near the phone's antenna, the phone's automatic gain control compensates. It detects the metal as interference. So it boosts power output to maintain signal quality. Two of the six stickers we tested were making my exposure worse than no sticker at all.
We pulled them off the phone the same day.
Still showing consistent, stable readings at month four. Same as month zero.
I'd never heard of ODIN. Neither had any of my friends. It wasn't on any of the EMF protection lists I'd seen in my pregnancy forums. The website looked like a side project.
I asked Peter to dig into the company.
He emailed their contact form. Got a generic auto-reply. He searched engineering forums for the manufacturer. Found a name in two old technical threads about RF mitigation: Raymond Connors. He'd commented years ago on fractal geometry approaches to electromagnetic field interaction.
Peter sent a DM through the forum profile.
No response for two weeks.
Then a third forum thread โ Raymond responding to a different question. Peter sent a follow-up referencing the specific post.
Raymond responded four days later.
He agreed to a video call.
Raymond was at his workshop in Huntsville. Tools on the wall. Three monitors. A soldering station behind him.
Thirty-one years at Lockheed Martin. Defense systems โ designing how aircraft surfaces interact with radar. He retired in 2009. His granddaughter was born in 2016. He filed the ODIN registration the same year.
Peter showed him our test results.
Raymond nodded. He'd seen the same pattern hundreds of times.
"Aulterra, EMF Harmony, Aires โ that's metallic compounds oxidizing under daily heat. Looks intact on the outside. The material doing the work is gone."
"SafeSleeve and WaveBlock โ that's antenna compensation. Every modern phone has automatic gain control. Think of someone trying to talk through a thick wall โ they don't go quiet, they shout louder. Same thing. The phone detects metal as interference. It broadcasts harder to push through. You're not blocking the field. You're forcing the phone to shout."
"Almost every sticker on the market is one of those two failures. Either it dies silently. Or it makes things worse."
"How does yours not?"
He held a chip up to the camera.
"Two analogies. The first one you already know."
"Noise-cancelling headphones. They don't block sound. There's no wall. The headphones generate a counter-wave that reorganizes the sound around your ear so it stops overwhelming you. Same energy in the room. Different shape by the time it reaches your eardrum."
"The second one is what I spent thirty-one years on. Stealth aircraft. The plane doesn't absorb radar. It doesn't block radar. The surface is shaped โ the geometry of every panel โ so the radar waves reorganize around the aircraft instead of bouncing back to the source."
"Same physics. Different scale. Both work because of geometry, not because of a barrier."
"This chip is the same idea. Etched with a fractal pattern at the molecular level. Non-metallic. Passive. No power source. The phone's antenna doesn't sense resistance because there isn't any. The field reorganizes around the geometry instead of passing straight through your hand."
"It's not active. It's a shape."
I asked for documentation.
Raymond sent it that night. U.S. Patent P201100705, filed September 2011, granted March 2013. I pulled the filing from the USPTO public registry. It exists. The geometry diagrams matched what he'd shown us.
The third-party signal interference testing was from an independent RF compliance lab โ the same kind that certifies consumer electronics for FCC compliance before sale. Five-page report. Tested across 700 MHz to 5 GHz. No measurable signal degradation. No induced antenna gain compensation.
Peter read it twice. He said: "This is what he says it is."
I conceded the second time.
But conceding wasn't the same as acting. The window was still moving.
There's a reason I'm writing this now and not in two years.
The window I keep mentioning โ weeks eight through twenty-eight โ closes once.
The research on what happens during that window is not theoretical. It's published. Four papers I'd want any pregnant woman to see:
This is the body of research the FCC was ordered to respond to in 2021. Four years later, they still haven't.
Whatever you decide to do, it has to happen before week twenty-eight closes. After that, the most vulnerable phase of the development I described in section three is over.
The window doesn't reopen.
I was twenty-four weeks pregnant when our four months of testing ended. We had four weeks left in the most vulnerable window. Peter put the chip on my phone the same day.
For the next sixteen weeks โ through the third trimester โ he kept measuring. The readings didn't change.
By the time my daughter was born, we had eight months of consistent data on this single chip: four months in the test setup, four months on my actual phone.
It still worked the day she was born.
I want to tell you that gave me peace.
It didn't.
I lay awake at week twenty-five.
I lay awake at week twenty-eight.
I lay awake at week thirty-three scrolling EMF research at midnight against my better judgment.
I counted the hours she'd been near a router that day. Then I counted the hours she'd been near my laptop.
Then my husband's phone.
My in-laws' phones.
The cashier's phone at the grocery store.
The ultrasound monitor at every appointment.
The L&D monitors at every hospital tour we did.
The chip was one variable I could control.
There were hundreds I couldn't.
You don't get peace from a sticker. You get one less thing to count at three a.m.
She was born in November.
I'm not telling you she was born healthy because of what we did. I have no way to know that. I'm telling you she was born and I lay awake the entire third trimester anyway.
The fear didn't end at delivery.
Months later โ when she was sleeping through the night and I was finally back to seven hours myself โ I started telling friends about what we'd done. The friends in my pregnancy support group who had asked me about EMF months earlier. A few of them ordered ODIN.
Word spread through that small network. More orders.
Raymond noticed. He video-called Peter again.
"I see orders coming through your zip code. Your friends are listening to you. I built this for grandkids. Every chip on a phone before week twenty-eight of someone's pregnancy is a chip I'm glad I built. If you're going to share what you found, I want to make it easier for the women you reach. Let me set up reader pricing."
I was reluctant. Stats analysts don't make good public faces for products.
Peter said: "These women are where you were a year ago. We have what we did. We owe them honesty about what worked. The reader pricing isn't an endorsement from us โ it's Raymond making it accessible."
I agreed.
From the friends in my pregnancy support group who ordered after I told them what we'd found.
"My OB shrugged off every EMF question I had. My husband and I work from home โ laptops on us all day. I bought the chip after Hannah sent me her test data. I can't tell you it's protecting my baby. I can tell you it's the only thing on my phone that didn't quietly stop working in two months. Worth the peace of mind alone."
"I'd already bought one of the metal-shielded stickers Hannah's article warned about. Pulled it off the same day I read her piece. Ordered the ODIN three-pack. One on my phone, one on my partner's, one on the laptop I work on. No drop in signal. No drop in battery. I just stopped worrying about that one specific thing."
"I'm a research scientist. I read the patent and the third-party report Hannah linked before I bought anything. The fractal geometry approach is real and the lab data is clean. I don't normally write reviews. I'm writing this one because the category is full of nonsense and this product isn't."
"My mother-in-law thinks I'm being paranoid. My doctor said the FCC standard is fine. My husband โ also an engineer โ sat with me and read every line of the FCC court ruling Hannah cited. We ordered three chips that night. Eight weeks in. The phone works exactly the same. That's all I needed to confirm."
Three ODIN Chips at Production Cost โ $97.98
Here's the truth about why I'm writing this.
I might be wrong.
There is no test that can tell me, twenty years from now, whether the chip on my phone protected my daughter or whether nothing was wrong in the first place. There is no controlled trial of pregnant women I can point you to. There never will be โ you can't ethically run that trial.
I have what we measured. I have what Raymond built. I have what the FCC hasn't done in thirty years.
And I have what every pregnant woman has when she takes a prenatal vitamin: faith that the science is pointing in a direction worth acting on, even when the certainty isn't there yet.
If I'm wrong about the chip, the worst case is I spent ninety-eight dollars to be slightly less anxious through my third trimester. That's not a small thing during pregnancy. That's actually a lot.
If I'm right, the worst case for the woman who doesn't act is something I cannot bring myself to type.
That was the trade I made.
If I'm right, the trade was worth it a thousand times over.
I wrote this for the woman where I was. Pregnant. Scared. Dismissed by her doctor. Married to someone who wouldn't drop something I thought was paranoid.
If your husband won't drop it either โ listen to him. Read what he reads. Push back where it doesn't hold up. Trust him where it does.
We don't get certainty in pregnancy.
We get the choices we make with what we have.
Hannah Karlsen
Senior Statistical Analyst ยท Manhattan, NY
Personal investigation conducted with Peter Karlsen, RF Engineer.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Individual results may vary. Results described in testimonials and case studies are not typical and your experience may differ.
This article is for informational purposes only and is not intended as a substitute for advice from your physician or other healthcare professional.
Any references to scientific studies, researchers, or institutions are for informational context only and do not imply endorsement of this product.
Personal details composited from multiple industry sources for privacy.