
Clearing Up Confusion in Endometriosis Care (Part 1)
Untangling mixed messages about surgery, medications, and complementary care.

Endometriosis Management: Navigating ACOG Guidelines
Management strategies for endometriosis aim primarily to alleviate pain and, when needed, support fertility, yet confusion and inconsistency in recommendations remain alarming. This article reviews and comments on key current management strategies supported by the American College of Obstetrics and Gynecologists (ACOG), referencing Bulletin #114 (2010, reaffirmed 2022) and Bulletin #760 concerning adolescents (2018, reaffirmed 2022). In the following posts, we will review other guidelines to provide a more in-depth look at these inconsistencies and what you may face as you navigate your journey with endometriosis.
Other internationally recognized bodies have also published guidelines to aid clinicians in diagnosing and treating endometriosis. Unfortunately, discrepancies between recommendations are significant, reflecting the complex nature of the disease and research limitations to date. Many patients turn to online resources and forums after seeing providers and not achieving results, only to find that information on sites dedicated to endometriosis often conflicts with what various guideline resources propose.
Surgery
Surgery is considered a cornerstone in managing pain and infertility associated with endometriosis. The timing of surgery and the type of procedure recommended vary among guidelines. ACOG guideline Bulletin #114 states that “definitive diagnosis of endometriosis only can be made by histology of lesions removed at surgery.”
Minimally invasive surgery is preferred over open surgery (laparotomy) because it is associated with less pain, shorter hospital stays, faster recovery, and better cosmetic results. Regardless of whether the approach is laparoscopic or robotically assisted, a high level of surgical skill and expertise is required. Although robotic platforms offer advanced technology, outcomes research does not clearly demonstrate superiority of one modality over another, and the surgeon’s skill likely matters more than the tools used. Robotic surgery may be particularly well suited for difficult cases with severely distorted anatomy due to advanced disease or scarring from repeat surgeries.
Excision of endometriosis is widely recommended for endometriosis-associated pain. However, the preferred technique—ablation versus excision—remains debated due to a lack of conclusive evidence. Existing studies comparing excision with ablation have notable limitations, potentially reflecting variability in surgeons’ skill and training. In other words, some studies may not have involved true excision specialists, resulting in incomplete removal and skewed outcomes. This variation in expertise is a common challenge in research on surgical procedures.
For ovarian endometriosis (endometriomas or chocolate cysts), minimally invasive excision is superior to drainage and ablation in reducing recurrence of dysmenorrhoea, dyspareunia, cyst recurrence, and the need for further surgical interventions.
When family planning is complete and conservative treatments have failed, hysterectomy with simultaneous excision of endometriotic lesions is considered a last resort. Except in cases with coexisting adenomyosis, hysterectomy is not necessarily required for pain relief. Each situation should be highly individualized.
Get Clear on Your Treatment Options
Our specialists are here to help you understand your condition and explore your treatment options.
Schedule Your AppointmentMedical Management of Endometriosis
While surgery helps many patients, medical management plays a crucial role in symptom control and fertility preservation, focusing on pain management, hormonal suppression, and birth control.
Pain management is fundamental. Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used for symptomatic treatment of dysmenorrhea and acyclic pelvic pain. In its discussion of dysmenorrhea and endometriosis in adolescents, ACOG asserts—without any workup—that the majority of adolescents have primary dysmenorrhea, defined as painful menstruation in the absence of pelvic pathology, and recommends first-line therapies such as NSAIDs and birth control. This raises concerns: without definitive assessment (surgery) for endometriosis and given that imaging is insufficient for diagnosis, how is pelvic pathology excluded? Furthermore, ACOG considers symptomatic response to birth control pills and NSAIDs as confirmation of primary dysmenorrhea, though some people with endometriosis also respond symptomatically to these treatments.
Hormonal suppression using progestins, combined oral contraceptives, micronized progesterone, or Gonadotropin-releasing hormone (GnRH) analogues is a common strategy. This approach assumes estrogen is responsible for endometriosis, but it reflects an incomplete understanding of disease genesis and progression. Hormones are clearly involved, yet increasing molecular evidence indicates they are not the sole driver of endometriosis growth.
Combined oral contraceptives are often used as a first-line therapy for endometriosis-associated pain. By suppressing ovulation, they may help slow the growth of endometriotic tissue; however, they have not been proven to induce regression or resolution.
GnRH analogues are recommended as second-line options for endometriosis-associated pain and work by suppressing estrogen production, thereby theoretically reducing the growth of endometriotic tissue. In this context, ACOG states that “there is no data that support the use of preoperative medical suppressive therapy,” yet in clinical practice, many individuals are offered these medications inconsistently with respect to the consideration or timing of surgery. Additionally, ACOG’s level B evidence (second level) recommendations state: “After an appropriate pretreatment evaluation (to exclude other causes of chronic pelvic pain) and failure of initial treatment with OCs (oral contraceptives) and NSAIDS, empiric therapy with a 3-month course of a GnRH agonist is appropriate.” It can be argued that this is problematic given the lack of conclusive data supporting the use of these medications prior to surgery, and there is a significant risk of short- and potentially long-term side effects and complications.
Complementary Therapies
Complementary options such as dietary interventions, acupuncture, and electrotherapy are gaining recognition as potential adjuncts. While there is supportive evidence for several approaches, more research is needed to establish efficacy and safety. As a result, guidelines do not routinely address these modalities, often leaving patients to rely on personal trial and error.
Conclusion
Managing endometriosis typically requires a multifaceted approach, combining surgical and medical treatments that must be tailored to each patient. In recent years, research and advocacy have improved. Finding a knowledgeable, specialized surgeon and care team is of utmost importance. The majority of OBGYNs do not focus on endometriosis, have not undergone further specialized training, and generally align with ACOG guidelines, often influenced by perceived medico-legal concerns related to standard of practice. Notably, other guidelines also differ in their opinions and recommendations regarding medical management and surgery.
References
Bulletins–Gynecology, A. C. o. P. (2000). ACOG practice bulletin. Medical management of endometriosis. Number 11, December 1999 (replaces Technical Bulletin Number 184, September 1993). Clinical management guidelines for obstetrician-gynecologists. _Int J Gynaecol Obstet_, _71_(2), 183-196. )80034-x DOI: 10.1016/s0020-7292(00)80034-x
ACOG Committee Opinion No. 760: Dysmenorrhea and Endometriosis in the Adolescent. (2018). _Obstet Gynecol_, _132_(6), e249-e258. DOI: 10.1097/AOG.0000000000002978
Quick Answers
What is pelvic dissection in endometriosis surgery?
Pelvic dissection in endometriosis surgery means carefully separating and opening tissue planes in the pelvis so we can clearly see normal anatomy and remove disease safely. Endometriosis can cause inflammation and scarring that “glues” organs together (sometimes called a frozen pelvis), so dissection is often the step where we free adhesions and restore normal relationships between the uterus, ovaries, bowel, bladder, and pelvic sidewalls.
In practical terms, pelvic dissection may include identifying and protecting critical structures like the ureters, bladder, bowel, blood vessels, and pelvic nerves before excising endometriosis at its roots. This is where surgical precision matters: the goal is to fully address disease while minimizing injury to healthy tissue, especially in complex or re-operative cases. If you’re seeing this term on an op note or surgical plan, it usually reflects the complexity of the anatomy and the deliberate work needed to make excision both complete and safe—our team can walk you through exactly what was dissected and why in your specific case.
How does estrogen affect the endometrium?
Estrogen is one of the main hormones that drives endometrial growth. In the first half of the menstrual cycle, rising estrogen signals the endometrium to thicken and rebuild after a period, preparing the uterus for a possible pregnancy. It also influences the local immune and inflammatory environment in the uterus, which is part of why hormonal shifts can change bleeding patterns and pain.
When estrogen’s growth signals are strong—and progesterone’s “calming” effect is weaker than expected (often described as progesterone resistance)—the endometrium can behave in a more persistently inflamed, reactive way. This hormone–inflammation pattern is especially relevant in estrogen-dependent conditions like adenomyosis and endometriosis, where tissue similar to the endometrium can contribute to ongoing symptoms. If you’re trying to make sense of heavy bleeding, severe cramping, or cycle-linked pelvic pain, our team can help you connect the hormonal biology to what you’re feeling and review next steps for diagnosis and treatment.
What does a frozen uterus mean with endometriosis?
A “frozen uterus” isn’t a separate diagnosis—it’s a descriptive term surgeons use when the uterus is essentially stuck in place because endometriosis-related inflammation has caused dense scarring (adhesions). Instead of the uterus moving freely, it may be tethered to nearby structures like the bowel, bladder, ovaries, or pelvic sidewall, sometimes pulling the uterus into an abnormal position and making pelvic anatomy hard to distinguish.
This finding often suggests more advanced disease, such as deep infiltrating endometriosis and/or significant adhesions from prior inflammation or surgery, and it can help explain symptoms like deep pelvic pain, painful sex, bowel or bladder symptoms, or pain that doesn’t match what a routine exam shows. In these cases, surgery is less about “burning spots” and more about carefully restoring normal anatomy—freeing organs, protecting ureters and bowel, and removing endometriosis at its roots. If you’ve been told your uterus is “frozen,” our team can help you understand what that implies for imaging, surgical planning, and which adjacent organs may need to be evaluated as part of a complete excision strategy.
What causes estrogen dominance with endometriosis?
“Estrogen dominance” in endometriosis usually isn’t just about making too much estrogen overall—it’s more often about an estrogen-favoring environment in the pelvis and within the lesions themselves. Many endometriosis lesions can produce estrogen locally (for example, through higher aromatase activity), and that local estrogen can help lesions survive, inflame surrounding tissue, and stimulate nerve growth that drives pain. At the same time, endometriosis commonly behaves as a chronic inflammatory condition, and inflammation can reinforce estrogen signaling and keep the cycle going.
Another key piece is that endometriosis often shows a weaker response to progesterone (“progesterone resistance”), so the normal hormonal braking system that should counterbalance estrogen doesn’t work as well. This can make symptoms feel very hormone-driven even when blood hormone labs look “normal.” Because endometriosis is multifactorial and likely includes different subtypes, the specific drivers of estrogen dominance can vary from person to person—genetics/epigenetics, immune dysfunction, and tissue-level changes can all play a role. If you’re trying to make sense of your symptoms or why hormonal suppression hasn’t brought lasting relief, our team can help you sort out what may be driving your disease and discuss options that focus on treating the endometriosis itself, not just temporarily quieting it.
What are signs endometriosis has returned after surgery?
Endometriosis “returning” after surgery can show up as symptoms that improve for a while and then gradually (or suddenly) come back months or even years later. The most common signal is the return of your familiar pattern—cyclical pelvic pain, worsening period pain, pain with intercourse, or pain that starts spreading beyond where it used to be. Some people also notice bowel or bladder symptoms re-emerge (pain with bowel movements, rectal pressure, urinary urgency or bladder pain), especially if those organs were involved before. New or increasing fatigue and activity limitation can be part of the picture, but the key is a clear change from your post-op baseline.
It’s also important to know that recurrent pain doesn’t always equal recurrent disease. Even after complete excision, the nervous system can stay “turned up,” and pelvic floor dysfunction, adhesions, or central sensitization can keep pain going or make normal sensations feel painful—so we think in terms of patterns, triggers, and timing rather than a single pain score. If symptoms are returning, our team can help you sort whether you’re in a true recurrence lane (improved, then returned) versus persistent pain that never fully settled, and decide when imaging (such as ultrasound or MRI) is useful—particularly for tracking ovarian endometriomas. If you’re noticing a shift back toward your old symptoms, reach out to schedule a consultation so we can build a clear, long-term follow-up plan with you.

