It was 3:14 AM. I was sitting in our creaky nursery glider wearing a pair of my husband Dave's gym shorts that smelled faintly of old protein powder, nursing a four-month-old Leo who was aggressively pinching my left boob. My phone screen was glaring in the pitch dark, and I was staring at three completely contradictory messages about marijuana and nursing.
My mother-in-law had emailed me a terrifying link from 1998 about maternal drug use and permanent infant brain damage, heavily implying that my occasional pre-pregnancy gummy habit was going to ruin my child. My postpartum doula, on the other hand, had just texted me earlier that afternoon saying, "A little CBD or low-dose THC is totally fine for the anxiety, mama! Plant medicine!" And then there was my local Facebook moms group, where I was doing some deeply unhealthy midnight scrolling. Some girl named Ashleigh had just confidently posted that she smokes a bowl every night before nursing and her "sweet babie is literal perfection," right below another comment from someone claiming their "babi sleeps through the night thanks to the magic milk."
I just wanted to sleep. My postpartum anxiety was vibrating through my teeth. I hadn't had a hot cup of coffee in three weeks, my hair was a bird's nest of dry shampoo, and I had half of a stupid weed gummy sitting in my nightstand from a year ago. I spent probably an hour that night desperately googling variations of whether infants can actually catch a buzz from breast milk, just praying the internet would give me a free pass to take the edge off.
Spoiler alert: it didn't. The truth is incredibly messy, super inconvenient, and honestly kind of terrifying once you actually look at how breast milk works.
The math my doctor drew on a napkin
A few days after my 3 AM internet spiral, I dragged myself and Leo to our doctor, Dr. Evans. I love Dr. Evans because he doesn't talk to me like I'm an idiot and he always ignores the fact that I usually show up to appointments smelling like spit-up and desperation. I casually brought up the weed thing, pretending I was asking "for a friend in my moms group." He gave me this deeply tired look, pulled a yellow sticky note off his desk, and started drawing circles.
He explained that THC, the stuff in marijuana that actually makes you feel anything, is basically a fat-magnet. I think the scientific word was lipophilic? Anyway, the point is that it binds to fat cells in the human body. And breast milk, especially the hindmilk that comes at the end of a feeding, is basically liquid gold fat. It's heavy cream for babies.
So yeah, the THC doesn't just pass through your milk; it really concentrates in it. Dr. Evans drew this horrifying little diagram showing how the concentration of THC in your breast milk can honestly be way higher than the concentration in your own blood. I think he said it could be up to eight times higher for people who use it a lot? Which honestly sounded like fake math to me at the time, but apparently it's a real thing. Modern weed is also insanely strong compared to the ditch weed our parents might have smoked in the eighties, meaning the amount of active stuff transferring into the milk is way higher than any of the old historical data suggests.
Why the pump and dump thing is a complete lie
Dave, my endlessly optimistic husband, thought he had the perfect solution. "Just take the gummy, sleep for twelve hours, and pump and dump in the morning," he said one night while watching me cry over a burnt piece of toast. I swear to god I almost threw the toaster at him.
We're so conditioned to treat weed like alcohol, but they're entirely different beasts in the human body. With a glass of wine, the alcohol is water-soluble. It moves through your blood, gets into your milk, and then washes right back out as your body processes it. You literally just have to wait it out. But because THC aggressively clings to your fat cells, it essentially sets up camp in your boobs.
It doesn't leave when you pump. Your body just slowly releases it back into your bloodstream and into your breast milk over days. Literally days. Sometimes weeks if you're someone who uses it all the time. Pumping and dumping doesn't clear the milk out because the next batch your body makes will just pull more THC out of your fat stores. So basically, if you take a hit of a vape on a Friday night, your Sunday morning milk is still going to be laced with it. Realizing that made me want to throw up my lukewarm coffee.
What honestly happens to their tiny brains
Here's the part that really stopped me from ever opening that nightstand drawer. What really happens to them when they drink it? They don't get the giggles or start craving pureed carrots. Instead, it messes with their still-forming nervous systems.
I read all these stories online about babies becoming super lethargic and having poor muscle tone after their moms smoked. And as a deeply anxious new mom, that's the most terrifying thing in the world. Is the baby finally sleeping well, or is he just mildly sedated? Oh god, just typing that out makes my stomach drop. Dr. Evans also mumbled something about long-term studies showing it can hijack their normal nerve cell growth, leading to weird motor delays and hyperactivity later on. I don't know the exact mechanism, I barely passed high school biology, but filtering my stress relief through my infant's developing brain just didn't seem worth it.
I vividly remember when Leo was six months old and cutting his first molar. He was an absolute nightmare. He wouldn't sleep, he wouldn't eat, he just drooled and screamed. I was so exhausted I was hallucinating. That's honestly when I panic-bought the Violet Bubble Tea Teether from Kianao. I'm not exaggerating when I say this goofy little piece of silicone saved my sanity. It looks like a cup of boba, and for some reason, the texture of the little "pearls" on the bottom was exactly what he wanted to aggressively gnaw on. I'd toss it in the fridge for twenty minutes while I paced the hallway, and then hand it to him cold. It would buy me exactly fifteen minutes of absolute silence. Fifteen minutes to sit on the floor, drink my coffee, and not think about running away to Mexico.
The CBD loophole that isn't real
For a hot minute, I thought I had found the ultimate cheat code. My doula had recommended CBD, right? It doesn't get you high, it just chills you out. So I figured CBD oil was the perfect safe middle ground for my absolute mental breakdown.
Yeah, no. When I brought that up to the doctor, he really sighed out loud. The problem with the entire CBD industry right now is that it's the wild west. It's basically bathtub gin for millennials. Because it's completely unregulated, almost every CBD oil or gummy out there contains trace amounts of actual THC. Not to mention a horrifying cocktail of heavy metals, random pesticides, and weird fungi because nobody is genuinely checking what goes into these bottles before they end up on the shelf at your local organic grocery store.
So even if you think you're just taking a harmless hemp gummy to stop crying in the shower, you're still actively passing unregulated trace chemicals into the baby's milk. It's just a massive, incredibly frustrating bummer.
We did try to make our environment a little less chaotic in other ways. My sister-in-law gifted us the Pink Cactus Organic Cotton Baby Blanket when Maya was born a few years later. Honestly? It's fine. It's a nice blanket. The organic cotton part is great because I'm weirdly paranoid about the chemical pesticides they use on normal cotton rubbing off on her sensitive skin, but honestly, it's just a blanket. We mostly used it for tummy time on the living room floor so she wouldn't lick the rug.
How to survive without the edibles
So where does that leave us? Basically, if you're breastfeeding, any form of weed is completely off the table. It just is. And it sucks because the newborn phase is a fresh kind of hell that nobody can adequately prepare you for, and sometimes you just want a shortcut to feeling like a normal, relaxed human being again.
Instead of trying to figure out if you can take a hit off a vape without ruining your breast milk, you just have to find other ways to trick your nervous system into calming down. For me, it meant putting the baby down. Like, literally walking away. When Maya was born, I realized I couldn't hold her 24/7 without losing my mind. We got the Kianao Nature Play Gym Set, and it was seriously a game changer. Unlike the giant, obnoxious plastic toys that sing weird songs and flash neon lights (which frankly made my anxiety worse), this wooden gym just has these quiet, organic shapes hanging from it. I'd lay her under the little crochet moon and the wooden leaves, and she would just stare at them peacefully while I went into the kitchen, put my head in the freezer, and took ten deep breaths.
If your postpartum anxiety is so bad that you're desperately seeking out edibles just to survive the day, please call your doctor or a lactation consultant. There are actual, heavily-tested prescription medications that are completely safe for breastfeeding. You don't have to white-knuckle your way through the fourth trimester, but you also don't have to risk your baby's brain development on a sketchy weed gummy.
Parenting is just an endless string of giving things up for these tiny, demanding roommates we created. But eventually, they stop nursing. Eventually, they sleep. And eventually, you'll get your body back.
Before you go falling down another late-night Reddit rabbit hole about what's and isn't safe for your baby, take a look at our carefully curated, deeply safe collection of baby gear. Shop Kianao's organic, stress-free baby essentials right here and give yourself one less thing to worry about.
How long does weed genuinely stay in breast milk?
Honestly, way longer than you think. Unlike a margarita that processes out of your system in a few hours, THC binds to the fat in your milk. If you just took one hit, it can linger in your breast milk for up to six days. If you're a regular user, it can set up camp in your fat cells and keep leaking into your milk for up to six weeks. It's a nightmare timeline.
Is secondhand smoke a big deal if my husband blows it out the window?
Yeah, Dave tried to argue this one too. But yes, it's a huge deal. Secondhand marijuana smoke is heavily linked to sleep apnea and Sudden Infant Death Syndrome (SIDS) in babies. Even if they hang out the window, the smoke clings to their clothes, their hair, and their skin. If your partner is going to smoke, they need to do it outside, wash their hands, and change their shirt before they even think about holding the baby.
Will they genuinely test my baby at the doctor?
This is the scary legal part that nobody likes to talk about. Depending on what state you live in, even if weed is totally legal for adults, it's considered a massive red flag for pediatric exposure. If your doctor suspects anything or if your baby shows weird signs like extreme lethargy, they can run a urine screen. And yes, infants exposed through breast milk will test positive for THC for two to three weeks, which can literally trigger a call to child protective services.
What about topical CBD creams for my horrible postpartum back pain?
I wanted this to be okay so badly because my lower back was basically crumbling after carrying Maya. But the pediatricians still say no. Because the CBD market is so unregulated, those creams and lotions often contain trace amounts of THC and heavy metals that can enter your bloodstream and cross into your milk. Stick to a heating pad and maybe beg your partner for a deeply mediocre massage.
Does pumping and dumping work for literally anything?
Pumping and dumping is only really useful for relieving physical engorgement if you're away from your baby, or if you had a few glasses of wine and your boobs are painfully full before the alcohol has naturally left your bloodstream. For weed, medications, or getting chemicals out of your body faster? It does absolutely nothing. Your body will just keep producing milk with the THC in it until the THC is completely gone from your fat stores.
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