One peer-reviewed PCOS study a week, in plain English. Wellness insights inspired by peer-reviewed research. Not medical advice.https://www.sachi-health.comen-ushttps://www.sachi-health.com/blog/the-pcos-brief-issue-21https://www.sachi-health.com/blog/the-pcos-brief-issue-21A randomized controlled trial of 24 women with PCOS and poor sleep: strengthening exercises three times a week for four weeks improved the global Pittsburgh Sleep Quality Index score from 12.9 to 9.5 versus control.Tue, 14 Jul 2026 00:00:00 GMTexercisestrength-trainingbodyweight-exercisesleepsleep-qualityinsomniafatiguepsqirandomized-controlled-trialhttps://www.sachi-health.com/blog/the-pcos-brief-issue-19https://www.sachi-health.com/blog/the-pcos-brief-issue-19A 2023 review pooling 26 randomized trials of 1,691 women found inositol lowered total and free testosterone versus placebo, raised SHBG, and was non-inferior to metformin with far fewer side effects (7% vs 53%).Tue, 07 Jul 2026 00:00:00 GMTinositolmyo-inositolsupplementstestosteronefree-testosteroneshbgmetformininsulin-resistancemeta-analysishttps://www.sachi-health.com/blog/the-pcos-brief-issue-17https://www.sachi-health.com/blog/the-pcos-brief-issue-17In a study of 24 women with PCOS, eight weeks of a low-starch, low-dairy diet, with no calorie counting and no medication, was linked to about a 50% drop in fasting insulin and lower testosterone and hirsutism scores.Tue, 30 Jun 2026 00:00:00 GMTdietnutritionlow-carbdairyinsulin-resistancetestosteronehirsutismsingle-arm-trialhttps://www.sachi-health.com/blog/the-pcos-brief-issue-15https://www.sachi-health.com/blog/the-pcos-brief-issue-15Women who closely followed the Mediterranean diet, eating more olive oil, fish, legumes, and nuts, had lower testosterone, even after accounting for body weight, in a study of 224 women with PCOS.Tue, 23 Jun 2026 00:00:00 GMTmediterranean-dietdietnutritiontestosteroneinflammationinsulin-resistanceobservationalhttps://www.sachi-health.com/blog/the-pcos-brief-issue-14https://www.sachi-health.com/blog/the-pcos-brief-issue-14A randomized controlled trial of 30 women with PCOS: 8 weeks of combined strength and cardio training significantly lowered testosterone, insulin resistance, and cholesterol — without weight loss.Wed, 17 Jun 2026 00:00:00 GMTexercisestrength-trainingcardioinsulin-resistancetestosteronemetabolic-healthrcthttps://www.sachi-health.com/blog/the-pcos-brief-issue-12https://www.sachi-health.com/blog/the-pcos-brief-issue-12A 12-week randomized trial of 90 adolescent girls with PCOS: both yoga and matched conventional exercise reduced anxiety, but yoga was significantly better for trait anxiety — the kind that lingers.Tue, 09 Jun 2026 00:00:00 GMTyogaanxietymental-healthmind-bodyadolescentsrcthttps://www.sachi-health.com/blog/the-pcos-brief-issue-10https://www.sachi-health.com/blog/the-pcos-brief-issue-10A double-blind randomized trial of 78 overweight women with PCOS: 8 weeks of omega-3 (3 g/day) lowered testosterone vs. placebo, and twice as many women had regular cycles by the end (47% vs. 23%).Tue, 02 Jun 2026 00:00:00 GMTomega-3supplementstestosteronemenstrual-regularityandrogensrcthttps://www.sachi-health.com/blog/sachi-in-progress-pcos-to-pmos-renamehttps://www.sachi-health.com/blog/sachi-in-progress-pcos-to-pmos-renamePCOS was officially renamed polyendocrine metabolic ovarian syndrome (PMOS) this week in a landmark Lancet consensus. What's actually changing, what's not, and where Sachi fits.Fri, 22 May 2026 00:00:00 GMTpmospcos-renamethe-lancetdiagnosissachi-in-progresshttps://www.sachi-health.com/blog/the-pcos-brief-issue-07https://www.sachi-health.com/blog/the-pcos-brief-issue-07A 16-week randomized controlled trial of overweight women with PCOS had zero dropouts in the exercise group — and improved quality of life, fitness, BMI, blood pressure, cholesterol, and inflammation.Tue, 19 May 2026 00:00:00 GMTaerobic-exercisequality-of-lifeadherencecardiorespiratory-fitnessweightrcthttps://www.sachi-health.com/blog/the-pcos-brief-issue-04https://www.sachi-health.com/blog/the-pcos-brief-issue-04A 30-day randomized controlled trial of 42 women with PCOS found two cups of spearmint tea a day significantly lowered free and total testosterone vs. placebo — though visible hair change takes longer than 30 days.Tue, 12 May 2026 00:00:00 GMTspearminthirsutismantiandrogentestosteroneherbal-remedyrcthttps://www.sachi-health.com/blog/the-pcos-brief-issue-03https://www.sachi-health.com/blog/the-pcos-brief-issue-03A weight-neutral approach plus a focus on sleep timing produced significant weight loss in 43 adolescents with emerging PCOS at Michigan Medicine. What the study found, what it means, and what's actually actionable.Tue, 05 May 2026 00:00:00 GMTsleepweight-neutraladolescent-pcoscircadiansocial-jetlag