Why Can't I Handle Stress Anymore — How Does Chronic Stress Deplete Calming Progesterone During Perimenopause?

Do you ever feel like your ability to handle stress just… left? One day you were juggling everything, and the next, even a minor inconvenience sends you into a tailspin. I’ve been there.

When you’re under constant pressure, your body can prioritize making the stress hormone cortisol over other essential hormones. Because it uses the same precursor, this process might divert resources away from producing progesterone, our naturally calming hormone. It's one theory for why chronic stress depletes progesterone, making you feel wired and anxious.

What is the 'Pregnenolone Steal' and How Does it Work?

Let's make this simple. Think of a molecule in your body called pregnenolone as the “mother” hormone. It’s the starting point for a whole family of other hormones, including both cortisol (for stress response) and progesterone (for calm and sleep).(HealthCentral, Unknown) In a balanced system, your body makes enough of everything it needs from this single source.

But chronic stress changes the game. Your body thinks it’s in constant danger, so it sounds the alarm for more and more cortisol. The 'pregnenolone steal' is a theory that explains how your body might respond to this demand.(Oova Life, 2025) It suggests that the system diverts pregnenolone toward the cortisol production line, leaving less available to make progesterone. It’s a survival mechanism, but one that can leave you feeling the effects of lower progesterone.

So, How Does Stress Deplete Progesterone and Make You Feel Anxious?

This is where it all connects to that awful on-edge feeling. This cortisol and progesterone relationship is key. Progesterone’s job isn’t just about our cycles; it’s a major player in our mood. Our bodies convert it into something called allopregnanolone, a neurosteroid that helps calm the brain by interacting with our GABA-A receptors.(NeuroLaunch, 2024) Think of it as your body’s built-in anti-anxiety signal.

So, when your progesterone levels are already naturally declining in perimenopause, any further dip can really be felt. When chronic stress depletes progesterone, your supply of that soothing allopregnanolone can also drop.(NeuroLaunch, 2024) That can lead to that “wired but tired” feeling, the low-grade hum of anxiety, irritability, and nights spent staring at the ceiling. Beyond mood, some research also suggests progesterone has a protective role in our overall cellular health.(PLOS One, 2021)

Is It Just That Stress Depletes Progesterone, or Is It More Complicated?

Here’s the thing, it might be a bit of a chicken-and-egg situation. While the 'pregnenolone steal' pathway suggests that high cortisol from stress can lower progesterone, some experts wonder if it works the other way, too.(Inner Balance, Unknown) Could it be that the natural hormonal shifts of perimenopause — including lower progesterone and estrogen — actually make our bodies less resilient to stress to begin with?

So instead of stress being the primary cause, it might be that our bodies just can’t buffer its effects as well as they used to. Either way, the result is the same when stress depletes progesterone: you feel overwhelmed and less like yourself. It's likely a feedback loop where stress and hormonal changes are both making each other worse.

What This Means for You

Knowing this isn't about adding one more thing to your worry list. It’s the opposite. It’s about understanding that what you’re feeling is chemical, not a personal failing. You haven't lost your ability to cope; your internal chemistry has just changed.

This knowledge can be a starting point. It's a reminder to be gentle with yourself and to look at stress not as something to "power through," but as a real, physical factor in your well-being. It's about finding small, sustainable ways to signal safety to your body, whether that’s a five-minute walk, deep breathing, or just saying no to one extra thing on your to-do list.

Written by Emma | Last Updated: 2027-04-07

"This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease"