🚨 my hormones just did something unexpected... They are usually more erratic... but last menstrual cycle my daily hormones seemed ‘calmer’... + daily estrogen swings ~35% less + daily progesterone swings ~30% less + cycle length shortened What’s going on? First, my cycles have never been regular. Over the past 18 months, they ranged from 31 to 68 days. And the hormones underneath were noisy: + would regularly max out my tests + big repeated spikes + multiple waves per cycle But then I changed my lifestyle dramatically overnight… I just did 40 days of perfect consistency: + same food + same bedtime + same workouts + no alcohol + 8.5 hrs sleep every night + same hydration + NO cheat days + NO deviations Here’s how that affected my results... My latest cycle: + 34 days long + clean LH surge + estrogen rose once + progesterone rose on schedule + 35% smaller swing than last year … and ovulation around day 24, versus my historical average of day 29 It was my most ‘normal’-looking cycle ever. Why would this happen? Keep in mind… I’ve been incredibly overwhelmed, stressed, and busy while starting this new protocol to become the world’s most measured woman. Here are some theories... 1/ Consistency. Your cycle is run by your hypothalamus. It’s a region of your brain that also monitors your stress, your sleep, and your food supply. And we know unstable schedules disrupt cycles… A meta-analysis of 14 studies found that women working rotating shifts have 35% higher odds of irregular cycles than women on fixed schedules… and for women under 30, it's 66% higher. My protocol locked sleep, food, and my schedule down to the minute. Maybe my hypothalamus finally got a quiet room? 2/ Coincidence. Erratic cycles are sometimes followed by calm ones. One cycle proves nothing. I am very curious to see what my next cycle is like… 3/ Cleaner measurement. I test my hormones via urine, and urine concentration moves with hydration. In the last 40 days, my water intake and test times have been steady every day… so part of the "calm" may be that my measurements got steadier, not just my hormones. Two things this can't explain: my LH stopped spiking for days at a time, and my cycle length shortened. 4/ Something else? It could be something we haven't thought of yet… That's why we measure and get repeat measurements. -- If theory #1 is real, it matters far beyond me. An estimated 14-25% of women of reproductive age have irregular cycles. The standard responses are wait and see… or hormonal birth control. If consistent sleep, meals, and routine measurably stabilize cycles… the first thing to try would be free. My next cycle will give us clues… I'm already 7 days in. If you're new here: I am becoming the world's most measured woman… collecting 14 million data points across my menstrual cycles, because female health is desperately understudied. We’ll post all results here (good and bad, wins and failures) with you for free.... sharing everything we find.