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The evidence says do everything. Your body says do these two or three things.

KK
Kirsten KarchmerFounder, Conceivable
August 24, 2026 3 min read

A thoughtful poster on r/TryingForABaby shared the full evidence roundup on optimizing natural fertility: alcohol, caffeine, exercise, weight, the fertile window, frequency, lubricants.

 

Here is what I added, from the clinical side.

 

This is a genuinely good roundup, and I want to add one layer to it, because I have spent 25 years as a reproductive acupuncturist working with more than ten thousand women, and I have watched what happens when someone takes a list like this home.

 

What happens is: she tries to do all of it at once, perfectly, forever. The diet, the exercise window, the caffeine math, the supplement stack, the tracking. And the anxiety of maintaining perfection becomes its own stressor, which is the one thing on nobody's optimization list.

 

So here is the thing I wish came stapled to every evidence review: these recommendations are population-level. They tell you what helps on average. Your body will tell you which two or three of them are actually yours, if you know where to look.

 

A few examples of what I mean. If your bleeds are getting scanty, a day or two of light flow, that changes "eat a healthful diet" from a vague command into a specific one: iron-rich foods, B12, cooked and warm, and suddenly your diet project has a target instead of a rulebook. If your luteal phase runs short, that points somewhere different than if your cycles are long and unpredictable. If your energy crashes every afternoon, blood sugar comes before any supplement conversation. The signal picks the intervention.

 

The same goes for tracking. Temps, mucus, cycle length: the point is not data collection for its own sake, it is that two or three cycles of honest observation usually narrow "do everything" down to "do these three things," and three things is a plan a human being can actually live inside while also having a job and a marriage and a life.

 

So yes to everything on the evidence list. And if it feels overwhelming: you are not supposed to be perfect at all of it. You are supposed to find out which parts are yours.

 

Kirsten Karchmer has spent 25 years as a reproductive acupuncturist and fertility clinician, reading the cycles of more than ten thousand women. Ask her your own question live: she holds open office hours in the Conceivable app every day at noon Central.

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KK
Written by
Kirsten Karchmer
Founder, Conceivable

Kirsten has spent 26 years in reproductive health, including 20 in clinical practice, working with about 10,000 women on fertility, cycle health, and hormonal wellbeing. She founded Conceivable to put that clinical knowledge into everyone's hands.

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