This September, Mira turns nine. Here are nine women who found out what nine years of data can tell you about your own body.
Nine years is long enough to stop counting product launches and start counting people — so instead of a highlight reel, we asked nine women what they found out about their own bodies once they finally had the data to look. An actor. A veterinarian. A data scientist. A woman who built her family with her best friend instead of a partner. Nine very different answers to the same question: what is actually happening here?

Rumer Willis: The Check-Ups Kept Saying "Normal"
Rumer Willis started tracking her cycle in 2018 — years before she was trying to have a baby, back when she was just trying to understand what birth control had quietly done to her body. What she found sat there for years, unflagged. A consistently low LH. Something that had passed through every "normal" check-up she'd ever had, invisible until months of her own data gave it a shape.
Then she had her daughter, Louetta, and the same number moved. Her hormones settled somewhere they'd never been. She wouldn't have known to look for that shift — wouldn't have had the months of baseline behind her to even notice it — without the tracking that came before.
"Google was never going to tell me my LH was low, or that I wasn't ovulating when I assumed I was," she says. Now, thinking about growing her family further, she's bringing years of her own data into the next conversation with her doctor — a more complete picture than any single appointment could give her.
"I didn't realize how much I'd normalized confusion, until I finally had the data to replace it."
Missy V.: Twenty Years in Women's Healthcare Didn't Save Her From Being Dismissed
Missy had spent more than two decades working in women's healthcare. She knew the gaps in the system better than most people ever will. None of it stopped her from living inside one.
At 35, she asked her doctor to test her hormones. She was told she was too young for perimenopause. The tests came back "normal" anyway, so she kept doing what she'd always done — resting, eating right, taking vitamins — while her cycle got stranger: two periods in one month, seventeen days apart, each one shorter than the last.
"I was always a regular cycle kind of girl," she says. "But I didn't have the data to show it, so it was easy to dismiss."
Three months of her own hormone charts changed that. Her doctor looked at them and said four words she hadn't heard from anyone: I believe you. Early menopause. HRT followed. Six months in, she describes it simply: "I've got my light back."
Robert & Julian: A Pregnancy Neither of Them Was Supposed to Be Able to Plan
Robert and Julian didn't fit the shape fertility tracking is usually built for. Julian, a trans man, had been on hormone therapy for nearly a decade. Robert had spent months throwing money at ovulation sticks, apps, and temperature charts that told him nothing he could use.
"We were no longer throwing spaghetti at the wall to see what stuck," Robert says. Real data replaced guessing — and gave him, as the non-carrying partner, something concrete to actually do. Six months later, they were expecting.
"Mira was like having a fertility professional at home."
Adele: She Almost Didn't Try Mira Because She Wasn't Trying to Get Pregnant
Adele had lived with a chronic illness since she was 17. It took her seven years to realize her hormones were part of the story at all — and by the time she found Mira, she almost talked herself out of using it. Everyone else seemed to be there for one reason. She wasn't.
She tried it anyway. Her first cycle of tracking, a pattern jumped out: her worst flare-ups lined up, almost exactly, with specific hormone surges. Not a coincidence she'd been imagining — a signal she could actually plan around.
"I'm no longer simply reacting," she says. "I'm proactively responding."
Ashley: Three Days Changed Everything
Ashley is a veterinarian. She'd spent years reading hormones in animals for a living — her own body was the one system that never made sense to her. PCOS didn't come with a clean explanation, just swelling, irregular cycles, and standard ovulation tests that gave her the same blank smiley face for days on end.
Mira's prediction said ovulation would land on June 29th. Daily tracking corrected it to the 26th. Three days. That was the whole window.
She got pregnant that cycle. At 1 a.m., stopped over at a friend's place the night before a flight, she took a pregnancy test her half-asleep husband was sure was premature. She took five more just to be certain. She still has them all.
Her son Bode is twelve weeks old. On a work trip to Kansas not long after, she handed her own device to a stranger who was struggling to conceive. That woman got pregnant too.
"That's the thing about knowledge — it multiplies when you share it."
Paige H.: She Built Her Family With Her Best Friend, Not a Partner
Paige was 36, single by circumstance rather than choice, and running out of patience with the idea that motherhood required finding the right person first. So she and her gay best friend decided to try at-home insemination instead — no partner required, just a plan and a friendship steady enough to hold it.
LH strips alone failed her for three months, giving her a smiley face with nothing underneath it. Tracking LH alongside E3G and PdG gave her something she could actually act on: a real fertile window, not a guess.
Three months later, she was pregnant.
"The universe really does work the way it's supposed to. Stay hopeful and persistent."
Sarah H.: The Data Scientist Who Helped Build the Algorithm — Then Needed It Herself
Sarah helped build the algorithm behind Mira's hormone tracking. For years, she knew the product from the inside, as a technical problem. Then, at 39, a bad case of COVID left her with six straight months of insomnia that nothing — not melatonin, not therapy, not a sleep clinic — could touch.
A functional medicine doctor eventually traced it to imbalances outside the hormone panels her gynecologist had already run and called normal. Her sleep came back. Then a year of unexplained pelvic pain arrived to replace it, and every test came back "normal" again.
Tracking with Mira showed her something her doctors' definition of normal was too wide to catch: her hormone levels were consistently sitting at the low end of that range the whole time. Two months of adjusting her cycle around that data, and the pain was gone completely.
"I don't need to be a data scientist to understand my cycle," she says now. "You just need the right tools."
Sarah M.: Six Years, Two Losses, and a Window Three Hormones Wide
Sarah was 38 when she finally got the news she'd spent six years trying to hear. Two miscarriages. Round after round of IVF that didn't take. An endometriosis diagnosis that came only two months earlier, found by surgery after everything else had failed to explain what was happening.
Mira wasn't the only thing she used — IVF, Clomid, and a rotation of doctors were all still part of it. But it was the thing that told her, with actual precision, when she was ovulating and when she wasn't, instead of leaving her to guess at timing on top of everything else already stacked against her.
That precision, combined with everything else, was enough.
"Listen to the experts, but also take your health into your own hands."
Sylvia Kang: It Started at a Kitchen Table
Before any of this — before the nine years, before the 300,000 women in 115 countries, before a single one of the eight women above ever heard the name Mira — there was one woman trying to solve her own problem.
Sylvia Kang trained as a concert pianist in China. At night, she'd sneak into her grandfather's study and teach herself physics from his old books, understanding maybe half the formulas but all of the feeling: curiosity, and the sense that there was somewhere else she was supposed to be. She left for the United States with two suitcases and broken English, chasing a degree in bioengineering instead of a stage.
By 2015, she was watching friends in their early thirties navigate infertility with nothing better than ovulation sticks and calendar math — technology that hadn't moved in decades while everything else had. She was also, quietly, one of them. Mira started at her kitchen table: spreadsheets, prototypes, and hormone charts scattered across the same surface where she was tracking her own path toward becoming a mother in her mid-thirties.
She used the device she built to get pregnant herself, after 35.
"I came here with two suitcases, broken English, and a stubborn belief that I would become a scientist."
Nine Years Later
Nine women. A pop culture name, a veterinarian, a data scientist, a woman who built her family with her best friend. None of them set out to prove anything about a company turning nine — they were just trying to answer one question about their own bodies, the same one Sylvia Kang was asking at her kitchen table back in 2015.
Nine years in, that's still the only birthday gift that means anything: not a bigger number, but one more woman who stopped guessing.







