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Endometriosis - How It Results in Infertility?

Dr. Shweta Goswami 92% (86 ratings)
MBBS, MD - Obstetrtics & Gynaecology, Certified IVF Specialist
IVF Specialist, Delhi  •  20 years experience
Endometriosis - How It Results in Infertility?

The uterine cavity has a tissue base that is known as the endometrium. When this endometrium spills over or spreads to the other parts of the reproductive organ, it begins to punch through the uterine lining. Such a condition creates complications and even infertility, and is known as endometriosis.

Read on to know more about endometriosis and how it can cause infertility.

Endometriosis

When the endometrium tissue spreads to areas like the ovaries, and the abdominal cavity, it can lead to numerous complications. Apart from pain, this may also cause infertility. 5 to 10% of the women worldwide suffer from this condition and have trouble conceiving. Additionally, about 30 to 40% of the infertility cases are due to endometriosis, not all cases. These figures are all confirmed by various medical studies.

How does it cause infertility?

Endometriosis can prevent ovulation, which is the process that occurs every month. During the ovulation process, the ovaries release eggs that may be fertilised in order for the woman to conceive. In this condition, the fimbria of the fallopian tubes also has trouble in capturing the egg, which prevents conception from taking place. This leads to infertility in the long run. Endometriosis also interferes with the proper production of the hormones that are required for normal ovulation and fertilisation of the egg.

Diagnosis: The diagnosis of the condition can be done with the help of lab tests and ultrasounds as well as imaging tests that can create the image of the womb and the endometrium lining. This will help in showing the severity and damage caused by the tissue. A surgical procedure called a laparoscopy may be carried out by the doctor to ascertain whether the patient is suffering from this condition. In this procedure, a small incision will be made and a camera will be inserted to view the insides on a screen, to learn more about the tissue’s spread and the kind of treatment that will be required. The doctor will also diagnose the condition on the basis of various symptoms like irregular and heavy bleeding.

Treatment:

Treatment for endometriosis associated with infertility needs to be individualized for each woman. There are no easy answers, and treatment decisions depend on factors such as the age of the woman, the severity of the disease and its location in the pelvis, the length of infertility, and the presence of pain or other symptoms. Some general issues regarding treatment are discussed below.

Treatment for Mild Endometriosis

Medical (drug) treatment can suppress endometriosis and relieve the associated pain in many women. Surgical removal of lesions by laparoscopy might also reduce the pain temporarily.

However, several well-controlled studies have shown that neither medical or surgical treatment for mild endometriosis improving the pregnancy rates for infertile women as compared to expectant management (no treatment).

For treatment of infertility associated with mild to moderate endometriosis, controlled ovarian hyperstimulation with intrauterine insemination - IUI is often attempted and has a reasonable chance to result in pregnancy if other infertility factors are not present.

Details about IUI success rates with endometriosis

IUI and endometriosis

Success rates with IUI for endometriosis have been variable in studies, showing:

  • A pregnancy rate of 6.5% for women with endometriosis vs. 15.3% per cycle for unexplained infertility
  • A pregnancy rate of 5.6% for women with advanced endometriosis vs. 22.7% per cycle for mild endometriosis vs. 25.7% for no endometriosis
  • Pregnancy chances with insemination for natural cycle IUIs (no drugs) with endometriosis are about 2% per cycle vs. 11% with injectables plus IUI for endometriosis

Treatment for severe endometriosis

Several studies have shown that medical treatment for severe endometriosis does not improve pregnancy rates for infertile women.

Unfortunately, infertility in women with severe endometriosis is usually resistant to treatment with ovarian stimulation plus intrauterine insemination. If the pelvic anatomy is very distorted, artificial insemination is unlikely to be successful. These women often require in vitro fertilization in order to conceive.

Although the studies of in vitro fertilization for women with severe endometriosis do not all show similar results, pregnancy success rates are usually good if the woman is relatively young (under 40) and if she produces enough eggs during the ovarian stimulation. If you wish to discuss about any specific problem, you can consult a Gynaecologist.

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