{"id":4922,"date":"2025-11-26T11:56:10","date_gmt":"2025-11-26T16:56:10","guid":{"rendered":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/?p=4922"},"modified":"2025-11-26T11:56:10","modified_gmt":"2025-11-26T16:56:10","slug":"youre-not-imagining-it-the-data-behind-period-pain-in-chronic-pelvic-pain","status":"publish","type":"post","link":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/youre-not-imagining-it-the-data-behind-period-pain-in-chronic-pelvic-pain\/","title":{"rendered":"You’re Not Imagining It: The Data Behind Period Pain in Chronic Pelvic Pain"},"content":{"rendered":"

If you live with\u00a0a chronic\u00a0pelvic pain disorder\u00a0(CPPD),\u00a0you’ve\u00a0probably noticed\u00a0something: your period\u00a0can\u00a0make\u00a0everything worse. The pain intensifies\u00a0and sometimes spreads to\u00a0new places. Suddenly\u00a0you’re\u00a0dealing with bloating, digestive issues, and a whole constellation of symptoms that seem to arrive right on\u00a0schedule\u00a0(!).<\/span>\u00a0<\/span><\/p>\n

Today,\u00a0we\u00a0are\u00a0sharing\u00a0some\u00a0observations from the very data dashboard of\u00a0our data wizard-in-residence, Samia, as we continue to analyze the data from our CPP Tracker study.\u00a0The visualizations reveal striking patterns comparing participants with\u00a0and without\u00a0CPPDs\u00a0and\u00a0support\u00a0what so many have experienced but struggled to quantify: periods\u00a0don’t\u00a0just add pain for people with CPP\u2014they amplify\u00a0what’s\u00a0already there.\u00a0So here they come, straight from Samia\u2019s dashboard to your screen.<\/span>\u00a0<\/span><\/p>\n

The Numbers Don’t Lie: Period Days Hit Different<\/span><\/b>\u00a0<\/span><\/h3>\n

Let’s\u00a0start with the most striking finding. Among our participants with CPPDs,\u00a0<\/span>83.8% of period days involved pain<\/span><\/b>.\u00a0That’s\u00a0more than 8 out\u00a0of\u00a0\u00a010\u00a0days\u00a0during menstruation.<\/span>\u00a0<\/span><\/p>\n

Compare that to those without\u00a0CPPDs: just 12% of their period days involved pain.<\/span>\u00a0<\/span><\/p>\n

But wait\u2014you might be thinking\u2014people with CPPDs\u00a0experience\u00a0pain on non-period days too, right?\u00a0Absolutely.\u00a0The\u00a0data\u00a0indicate\u00a0that\u00a0<\/span>75.3%<\/span><\/b>\u00a0of non-period days involved pain for the CPPDs\u00a0group. So yes, pain is a constant\u00a0companion,\u00a0and period pain days\u00a0are\u00a0\u00a0consistently\u00a0amplified.\u00a0Take a look\u00a0at the comparison below\u2014the difference between\u00a0the two groups of participants\u00a0tells this\u00a0story.<\/span>\u00a0<\/span><\/p>\n

It’s\u00a0Not Just More Pain\u2014It’s\u00a0Worse Pain<\/span><\/b>\u00a0<\/span><\/h3>\n

The frequency data tells one story, but severity tells another. When we looked at how intense the pain\u00a0was on period days versus non-period days, a clear pattern\u00a0emerged.<\/span>\u00a0<\/span><\/p>\n

\"\"<\/p>\n

If you look at the baseline pain levels above, you can see something interesting: off\u00a0period;\u00a0those with CPPDs\u00a0show less day-to-day variability\u2014their pain stays at a\u00a0fairly\u00a0consistent\u00a0level.\u00a0Those without CPPDs, on the other hand, have much more variability in their pain.<\/span>\u00a0<\/span><\/p>\n

But\u00a0here’s\u00a0the key finding:\u00a0<\/span>during\u00a0periods, those\u00a0with CPPDs\u00a0consistently experience higher pain severity than\u00a0those without\u00a0CPPDs.<\/span>\u00a0For\u00a0those\u00a0without CPPDs, those occasional period pain spikes stand out sharply because their\u00a0pain\u00a0baseline is so much lower. For people with CPPDs, though,\u00a0it’s\u00a0not just a spike\u2014the entire pain floor gets elevated.<\/span>\u00a0<\/span><\/p>\n

This\u00a0isn’t\u00a0just “normal period cramps on top of existing pain.” For people with CPPDs, menstruation\u00a0significantly increases the\u00a0pain experience.<\/span>\u00a0<\/span><\/p>\n

Your Pain Has a Geography (And It Changes\u00a0with\u00a0Your Cycle)<\/span><\/b>\u00a0<\/span><\/h3>\n

Pain\u00a0doesn’t\u00a0exist in abstract\u2014it shows up in specific places. And those places matter.<\/span>\u00a0<\/span><\/p>\n

\"\"<\/p>\n

Lower\u00a0back and pelvis were the VIPs of period pain for our\u00a0CPP participants, showing up on\u00a0nearly half\u00a0of\u00a0period\u00a0days. But\u00a0here’s\u00a0what’s\u00a0fascinating: abdomen, hip, and vaginal pain all increased during menstruation too.\u00a0When viewing the chart above, you can see that for those without CPPD, the\u00a0pain they have\u00a0off period\u00a0in these locations\u00a0is quite low,\u00a0whereas\u00a0if you look\u00a0at\u00a0their pain\u00a0during their period there is a large \u201cjump\u201d\u00a0in those locations.\u00a0\u00a0Compared to those without a CPPD diagnosis, participants\u00a0with a CPPD\u00a0who have ongoing pain see an increase, but their baseline of\u00a0pain\u00a0when they are not on their periods\u00a0is so much higher.\u00a0<\/span>\u00a0<\/span><\/p>\n

The Symptom Cascade: When Pain Brings Friends<\/span><\/b>\u00a0<\/span><\/h3>\n

As if increased pain\u00a0wasn’t\u00a0enough,\u00a0a visual inspection in our data dashboard reveals\u00a0that\u00a0periods often trigger a cascade of other symptoms. Digestive and urinary issues that might be manageable during non-period days\u00a0intensify, too.<\/span>\u00a0<\/span><\/p>\n

\"\"<\/p>\n

Bloating\u00a0led\u00a0the charge, affecting over 40% of period days in the CPP group. Gas, constipation,\u00a0and abdominal pain\u00a0weren’t\u00a0far behind.\u00a0<\/span>These\u00a0aren’t\u00a0separate issues\u2014they’re\u00a0part of the same\u00a0story<\/span><\/i><\/b>;\u00a0all interconnected through the complex web of pelvic anatomy and nervous system sensitivity.<\/span><\/i>1<\/span><\/i>\u00a0<\/span><\/p>\n

Again, those without CPPD\u00a0experienced these symptoms far less\u00a0frequently, and the difference between their period and non-period days was smaller.<\/span>\u00a0<\/span><\/p>\n

Why This Matters<\/span><\/b>\u00a0<\/span><\/h3>\n

If\u00a0you’re\u00a0reading this and nodding along, recognizing your own experience in these charts\u2014that’s\u00a0exactly the point. For too long, people with CPP have been told their\u00a0period\u00a0pain is “normal” or that\u00a0they’re\u00a0overreacting. These\u00a0data\u00a0say\u00a0otherwise.<\/span>\u00a0<\/span><\/p>\n

Understanding these patterns helps us in several ways:<\/span>\u00a0<\/span><\/p>\n

    \n
  • It\u00a0validates\u00a0patient experiences<\/span><\/b>\u00a0with objective data<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
      \n
    • It helps clinicians<\/span><\/b>\u00a0recognize that menstrual phase matters in CPP management<\/span>\u00a0<\/span><\/li>\n<\/ul>\n
        \n
      • It guides research<\/span><\/b>\u00a0into why periods amplify pain and how we might intervene<\/span>\u00a0<\/span><\/li>\n<\/ul>\n

        Your experience is real,\u00a0it’s\u00a0measurable, and\u00a0it’s\u00a0different from typical\u00a0period\u00a0discomfort. The\u00a0data\u00a0see\u00a0what\u00a0you’ve\u00a0been feeling all along.<\/span>\u00a0<\/span><\/p>\n

        \u00a0<\/span><\/p>\n

        \u00a0<\/span><\/p>\n

        References.\u00a0<\/strong><\/p>\n

          \n
        1. Choung RS, Herrick LM, Locke GR 3rd, Zinsmeister AR, Talley NJ. Irritable bowel syndrome and chronic pelvic pain: a population-based study.\u00a0<\/span>J Clin Gastroenterol<\/span><\/i>. 2010;44(10):696-701. doi:10.1097\/MCG.0b013e3181d7a368<\/span><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

          If you live with\u00a0a chronic\u00a0pelvic pain disorder\u00a0(CPPD),\u00a0you’ve\u00a0probably noticed\u00a0something: your period\u00a0can\u00a0make\u00a0everything worse. The pain intensifies\u00a0and sometimes spreads to\u00a0new places. Suddenly\u00a0you’re\u00a0dealing with bloating, digestive issues, and a whole constellation of symptoms that seem to arrive right on\u00a0schedule\u00a0(!).\u00a0 Today,\u00a0we\u00a0are\u00a0sharing\u00a0some\u00a0observations from the very data dashboard of\u00a0our data wizard-in-residence, Samia, as we continue to analyze the data from our CPP […]<\/p>\n","protected":false},"author":640,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[28,29],"tags":[30],"class_list":["post-4922","post","type-post","status-publish","format-standard","hentry","category-cpp-tracker","category-pain","tag-period-pain"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/posts\/4922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/users\/640"}],"replies":[{"embeddable":true,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/comments?post=4922"}],"version-history":[{"count":1,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/posts\/4922\/revisions"}],"predecessor-version":[{"id":4926,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/posts\/4922\/revisions\/4926"}],"wp:attachment":[{"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/media?parent=4922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/categories?post=4922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labs.icahn.mssm.edu\/ensarilab\/wp-json\/wp\/v2\/tags?post=4922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}