The endometrium is the lining of the uterus, which thickens during the menstrual cycle to prepare for pregnancy. 

In case a woman does not conceive, it sheds off during periods. 

If this tissue grows where it should not, Adenomyosis and Endometriosis can occur. 

Both these conditions are common and similar. 

So, they can be mistaken for each other. 

However, they have certain differences, which will be explored in this article. 

Additionally, the symptoms, causes, diagnosis, and treatment options will be analyzed for a detailed overview of Adenomyosis and Endometriosis. 

Adenomyosis and Endometriosis overview

FactorsAdenomyosisEndometriosis
Affected areaEndometrial tissue grows into the muscular walls of the uterusEndometrial tissue overgrowth occurs outside the uterus
PrevalenceAffects 20 to 35 percent of the femalesAffects about 10 percent of females in their reproductive age
SymptomsPainful or heavy periods, pain in the abdomen or during sex, infertility, etcAbdominal pain, heavy menstrual bleeding, pain during intercourse, etc
CausesInvasive tissue growth, inflammation due to childbirth, stem cells, fetal developmentRetrograde menstruation, genetics, environmental factors, etc
Risk factorsAge, hormones, surgery, and pregnancyEarly periods, no pregnancy, heavy menstrual bleeding, etc
DiagnosisPelvic exam, MRI, and ultrasoundLaparoscopy
TreatmentAnti-inflammatory medicines, Hysterectomy, and birth controlBirth control, painkillers, anti-inflammatory drugs, Laparoscopy and Hysterectomy

Difference between Adenomyosis and Endometriosis

Endometriosis
Woman suffering from pain due to Endometriosis

Adenomyosis is the growth of endometrial tissue in the muscular walls of the uterus. 

Overall, it affects 20-35 percent of the women. 

On the other hand, Endometriosis is the overgrowth of endometrial tissue outside the uterus, which resembles the uterine lining. 

It affects 10 percent of women in their reproductive years. 

While Adenomyosis is only limited to the inside of the uterus, Endometriosis affects the outside area and can even spread to other organs. 

Symptoms of Adenomyosis and Endometriosis

Adenomyosis and Endometriosis share many symptoms, making it easier to misinterpret one for another. 

The symptoms of Adenomyosis include:

  • Severe menstrual cramping or pelvic pain during menstruation
  • Heavy or prolonged menstrual bleeding
  • Chronic pelvic pain
  • Pain during sex
  • Enlarged uterus
  • Infertility 
  • Bloating 

The symptoms of Endometriosis include:

  • Extremely painful menstrual cramps.
  • Pain during or after sex
  • Heavy bleeding during periods 
  • Difficulty becoming pregnant or infertility
  • Painful bowel movements, diarrhea, constipation
  • Abdominal pain or back pain during or in between periods
  • Pain while urinating
Fact:
Polycystic Ovary Syndrome (PCOS) is another condition that can be mistaken for Adenomyosis and Endometriosis. It also shares common symptoms with these two conditions, like heavy or painful periods and fertility problems. 

Adenomyosis vs Endometriosis causes

Despite several studies and research, the exact cause of Adenomyosis and Endometriosis remains unknown. 

However, some possible explanations point towards certain factors. 

Some of the reasons responsible for Adenomyosis are:

  • Fetal development: This happens when the endometrial tissue deposits into the muscles of the uterus when it is formed
  • Invasive tissue growth: After a surgery like C-section, the endometrial tissue can invade the uterus wall, causing Adenomyosis
  • Stem cells: The bone marrow stem cells can enter the uterine walls sometimes, resulting in Adenomyosis
  • Inflammation from childbirth: The inflammation of the uterus after childbirth can cause a breakout in the lining, which can also be a reason

Certain factors that can be a reason for Endometriosis are:

  • Genetics: Some genes can cause Endometriosis. So, it can also be passed on in families
  • Surgical cause: Endometrial cells can directly attach to the abdomen after surgery, like a C-section
  • Through Blood or Lymph: Endometrial tissues can spread through blood, just like the mechanism of cancer cells
  • Retrograde menstruation: When the blood flows backward into the pelvic cavity, the tissue can accumulate in the reproductive system
  • Environmental factors: Exposure to chemicals, eating habits, and other such factors can also contribute to the problem

Adenomyosis vs Endometriosis risk factors

Weight Gain
Woman with overweight

The risk factors of Adenomyosis include

  • Women between the ages of 35 and 50
  • C-section
  • Obesity
  • Other uterine surgery for miscarriage or abortion
  • Endometriosis
  • Fibroids
  • Have been pregnant two or more times
  • Shorter than usual menstrual cycles, i.e., 24 days
  • Infertility
  • Birth control pills
  • Early periods at age 10 or before

The risk factors of Endometriosis include

  • Starting periods early( before 11) 
  • Family history of Endometriosis
  • Heavy menstrual periods
  • Infertility
  • Short menstrual cycle (less than 27 days) 

Adenomyosis vs Endometriosis diagnosis

The diagnosis of Adenomyosis can be done through multiple options. 

The initial step can be a pelvic exam to check if the uterus is spongy or has abnormalities. 

A transvaginal ultrasound or Magnetic Resonance Imaging (MRI) can confirm Adenomyosis. 

Unlike Adenomyosis, Endometriosis diagnosis is complex and has limited options. 

The process used to check for Endometriosis is Laparoscopy. 

It is performed by making a small cut in the abdomen to look for Endometriosis lesions or scar tissues.

Warning:
Laparoscopy poses a risk of injury to other organs, bleeding, or blood clots causing stroke. One must only get this procedure done by an experienced medical professional after discussing possibilities and risks to avoid such complications. 

Treatment of Adenomyosis and Endometriosis

The treatment options for Adenomyosis and Endometriosis depend on the symptoms and severity. 

Treatment of Adenomyosis

The treatment of Adenomyosis can range from medications to surgeries.

The first choice for Adenomyosis pain is Non-steroidal Anti-inflammatory Drugs (NSAIDs) like Ibuprofen. 

Hormonal birth control, like IUS or contraceptive patches can be used to ease symptoms like heavy periods and cramps.

Tranexamic acid can also be used to control bleeding with an oral dosage of 3.9-4 g/day for four to five days from the first day of the menstrual cycle. 

On the other hand, surgical operations like Hysterectomy (uterus removal) and Endometrial Ablation (removal of the internal lining of the uterus) can be used.

Treatment of Endometriosis

Treatment options for Endometriosis are also similar to Adenomyosis. 

Anti-inflammatory drugs such as Ibuprofen and Paracetamol or Gonadotropin-releasing Hormone (GnRH) analogs are prescribed in case of pain. 

For heavy menstrual bleeding and pain, hormonal birth control is an effective option.

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It includes contraceptives like the combined pill, contraceptive patch, hormonal Intrauterine Device (IUD), and contraceptive implant.

Surgical methods like Laparoscopy and Hysterectomy can be used to remove endometrial tissue.

Laparoscopy is a surgery to cut away patches of Endometriosis tissue. A medical professional puts a small cut in the abdomen and uses a small tube with light to see the tissue. It can be removed through a laser beam, heat, or gas. 

Adenomyosis and Endometriosis together

There is a high possibility that Adenomyosis and Endometriosis occur together. 

A study found that the prevalence of Endometriosis in case a woman has Adenomyosis is 80.6 percent. 

Moreover, the prevalence of Adenomyosis in the case of Endometriosis is 91.1 percent. 

However, the exact percentage can vary according to studies, sample size, and other factors considered. 

Conclusion

Adenomyosis and Endometriosis are common and similar conditions, but they also hold some differences. 

Adenomyosis is the growth of endometrial tissue inside the wall of the uterus, while Endometriosis is the growth outside the uterus. 

Both of them share common symptoms like heavy menstrual bleeding and pain during periods of intercourse. 

Based on symptoms, it can be difficult to tell the problem. 

So, methods like MRI, ultrasound, and pelvic exam can be used to diagnose Adenomyosis, while Laparoscopy can confirm Endometriosis. 

Sometimes, both conditions can be present together. 

A doctor can choose the right treatment according to the conditions and severity. 

Mostly, both conditions have similar treatment options like hormonal birth control, NSAIDs, and Hysterectomy, but sometimes options can vary. 

Keeping a close eye on the symptoms and seeking timely treatment for the conditions can offer effective management and relief. 

Frequently Asked Questions

Is Adenomyosis and Endometriosis the same? 

No, Adenomyosis and Endometriosis are not the same. They are misinterpreted due to their similar symptoms, like pain or heavy menstrual bleeding. However, Adenomyosis is the growth of endometrial tissue inside the uterine, while Endometriosis is the growth outside the uterus. 

What is the difference between Adenomyosis and Endometriosis? 

Adenomyosis is the growth of endometrial tissue inside the uterine walls. On the other hand, Endometriosis is the growth of endometrial tissue outside the uterus. Moreover, it can spread to other organs, unlike Adenomyosis. 

Can you have Adenomyosis and Endometriosis together? 

It is common to have both conditions, Adenomyosis and Endometriosis together. A study found that 80.6 percent of women with Adenomyosis also had Endometriosis. Also, 91.1 percent of women with Endometriosis had Adenomyosis. 

How many people with Adenomyosis have Endometriosis? 

The exact number of women having Adenomyosis along with Endometriosis is difficult. This is because several women remain underdiagnosed due to its similarity to other issues. However, a study found that 80.6 percent of women with Adenomyosis also had Endometriosis. 

Citations:
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