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    Endometrial Scratching: The Ultimate Guide to Meaning, Benefits and Impact on Conception


    Endometrial Scratching: The Ultimate Guide to Meaning, Benefits and Impact on Conception

    Updated on 6 September 2023

    Medically Reviewed by

    Dr. Shruti Tanwar

    C-section & gynae problems - MBBS| MS (OBS & Gynae)

    View Profile

    The path to parenthood is one filled with hope and anticipation but for some, it can be riddled with roadblocks and complications. In recent years, a technique called endometrial scratching has emerged as a potential solution for couples struggling to conceive. But what exactly is it? How does it work? And most importantly, what impact does it have on the journey towards parenthood?

    In this comprehensive guide, we will understand what this procedure is, explore its uses in IVF and IUI, its benefits, and its potential impact on conception.

    What is Endometrial Scratching?

    Endometrial scratching, also known as endometrial injury, is a procedure performed by fertility specialists to improve the chances of successful conception. During this procedure, the lining of the uterus, known as the endometrium, is intentionally scratched or injured.

    This process is believed to stimulate the healing response in the endometrium, leading to better embryo implantation and increased chances of pregnancy. The procedure is typically performed in the doctor's office and can be done using various techniques.

    One common method involves using a thin catheter or a pipelle to gently scrape the surface of the endometrium. Another approach utilizes a specialized instrument called a curette to create small abrasions on the uterine lining.

    Regardless of the technique used, the goal is to promote the growth of a healthier endometrium that is more receptive to embryo implantation.

    Reasons Why Doctors Recommend Endometrial Scratching in IVF

    In vitro fertilization (IVF) is a widely used assisted reproductive technology that helps many couples overcome infertility. To enhance the success rate of IVF, doctors often recommend endometrial injury for several reasons:

    1. Improved embryo implantation

    Scratching the endometrium creates a favorable environment for embryo implantation. The intentional injury triggers a healing response and increases blood flow to the endometrium, promoting a more receptive environment for the embryo.

    2. Enhanced endometrial lining

    This procedure stimulates the growth of a thicker and healthier endometrial lining. This can lead to improved embryo implantation and reduce the risk of implantation failure.

    3. Increased pregnancy rates

    Studies have shown that endometrial scratching before IVF significantly increases the chances of pregnancy. By preparing the endometrium for implantation, this procedure can optimize the success rates of IVF cycles.

    4. Reduced miscarriage rates

    A thin or inadequate endometrial lining can contribute to miscarriages. Scratching the endometrial lining can help improve the thickness and quality of the endometrium, reducing the risk of miscarriage in IVF pregnancies.

    5. Cost-effective option

    Compared to other advanced fertility treatments, endometrial injury is a relatively simple and affordable procedure. It can be performed alongside an IVF cycle, making it a cost-effective option for couples undergoing fertility treatments.

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    Reasons Why Doctors Recommend Endometrial Scratching Before IUI

    Intrauterine insemination (IUI) is a fertility treatment that involves placing sperm directly into the uterus to enhance the chances of fertilization. Endometrium scratching is often recommended by doctors before IUI for the following reasons:

    1. Improved embryo implantation

    Similar to IVF, endometrial injury before IUI helps create a more receptive environment for embryo implantation. The procedure stimulates the endometrium, encouraging the growth of a healthier lining.

    2. Increased pregnancy rates

    Studies have found that endometrial scratching before IUI can significantly improve pregnancy rates. By preparing the endometrium, this procedure increases the chances of successful fertilization and implantation.

    3. Enhanced sperm transport

    This procedure promotes increased blood flow to the uterus, which can enhance sperm transport. This improves the chances of successful fertilization during IUI.

    4. Reduced implantation failure

    In some cases, implantation failure can occur due to a thin or inadequate endometrial lining. Scratching the uterine lining helps address this issue by stimulating the growth of a thicker and more receptive endometrium.

    5. Maximized treatment efficiency

    By performing this procedure before IUI, doctors can maximize the effectiveness of the treatment. This can lead to higher success rates and reduce the need for multiple IUI cycles.

    How Important is Endometrial Scratch Timing?

    The timing of endometrial scratch plays a crucial role in its effectiveness. Ideally, the procedure should be performed during the menstrual cycle preceding the IVF or IUI treatment cycle. This timing allows the endometrium to heal and regenerate, creating an optimal environment for embryo implantation.

    Performing endometrial injury too far in advance or too close to the treatment cycle may not yield the desired results. It is essential to follow the specific timing recommendations provided by your fertility specialist to maximize the benefits of endometrial scratch.

    Endometrial Scratching: What to Expect

    This procedure is a relatively quick and straightforward procedure that can be performed in a doctor's office. Here is what you can expect during the process:

    1. Preparation

    Before the procedure, your doctor will explain the process and answer any questions you may have. They may also conduct a thorough examination to ensure that you are suitable for it.

    2. Procedure

    The procedure typically takes a few minutes to complete. You will be positioned on an examination table, and a speculum will be inserted to visualize the cervix. The doctor will then gently introduce a thin catheter or a pipelle into the uterus to scrape or sample the endometrial lining.

    3. Discomfort

    Some women may experience mild discomfort or cramping during the procedure. However, the pain is usually minimal and short-lived. If necessary, your doctor may administer a local anesthetic to alleviate any discomfort.

    4. Recovery

    After the procedure, you may experience mild spotting or bleeding. This is normal and should subside within a day or two. Your doctor will provide you with specific aftercare instructions to ensure a smooth recovery.

    Endometrial Scratch: After Care

    Following endometrial injury, it is essential to follow proper aftercare instructions to promote healing and minimize any potential risks. Here are some key aspects of post-procedure care:

    1. Rest and recovery

    It is advisable to take it easy for the remainder of the day after the procedure. Avoid strenuous activities and give your body time to heal.

    2. Avoid intercourse

    Your doctor may recommend refraining from sexual intercourse for a few days after the procedure. This allows the endometrium to heal without the risk of infection.

    3. Monitor for complications

    While complications are rare, it is important to be aware of any unusual symptoms. Contact your doctor if you experience severe pain, heavy bleeding, or signs of infection such as fever or foul-smelling discharge.

    4. Follow-up appointments

    Your doctor will schedule a follow-up appointment to evaluate the success of the procedure and discuss any further steps or treatments.

    You may like: Endometrial Polyp and Pregnancy: How Uterine Polyps Can Affect Your Chances of Conception

    What are the Potential Risks of Endometrial Scratching in IVF or IUI?

    Although endometrium scratching is generally considered safe, like any medical procedure, it does carry some potential risks. These risks include:

    1. Infection

    While rare, there is a slight risk of infection associated with this procedure. Following proper endometrial scratch after care and promptly reporting any signs of infection to your doctor can help minimize this risk.

    2. Uterine perforation

    In extremely rare cases, endometrial injury may result in uterine perforation. This occurs when the instrument used during the procedure punctures the uterine wall. Your doctor will take precautions to minimize this risk, and prompt medical attention should be sought if this complication is suspected.

    3. Discomfort or pain

    Some women may experience mild discomfort or cramping during or after the procedure. However, this is usually temporary and can be managed with over-the-counter pain relief medications.


    1. Is Endometrial Scratching Painful?

    While some women may experience mild discomfort or cramping during the procedure, it is generally well-tolerated and considered minimally painful. The discomfort is usually short-lived and subsides quickly after the procedure. If necessary, your doctor can administer a local anesthetic to alleviate any pain or discomfort.

    2. Is It Normal to Bleed After Endometrial Scratch?

    It is normal to experience mild spotting or light bleeding after endometrial injury. This is due to the intentional injury to the endometrium during the procedure. The bleeding typically subsides within a day or two and is considered a normal part of the healing process.

    3. What Are the Side Effects of Endometrial Injury?

    The side effects are generally mild and temporary. These may include mild cramping, spotting or bleeding and some discharge. If you experience severe or persistent side effects, it is important to consult your doctor for further evaluation.

    The Bottomline

    Endometrial scratching is a procedure recommended by doctors to improve the chances of successful conception in couples undergoing fertility treatments. Whether it is performed before IVF or IUI, this simple technique can have significant benefits, including improved embryo implantation, increased pregnancy rates, and reduced miscarriage rates. While there are potential risks and mild side effects associated with this procedure, they are generally minimal and well-tolerated.


    1. Günther V, von Otte S, Maass N, Alkatout I. (2020). Endometrial "Scratching" An update and overview of current research. J Turk Ger Gynecol Assoc.

    2. van Hoogenhuijze NE, Kasius JC, Broekmans FJM, Bosteels J, Torrance HL. (2019). Endometrial scratching prior to IVF; does it help and for whom? A systematic review and meta-analysis. Hum Reprod Open.

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    Medically Reviewed by

    Dr. Shruti Tanwar

    C-section & gynae problems - MBBS| MS (OBS & Gynae)

    View Profile

    Written by

    Anandita Sharma

    Drawing on more than a decade of expertise in administration, Anandita Sharma currently serves as a content operations e

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