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Difference Between IUI and IVF - Know Full Comparison

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Medically Reviewed by Dr. Arti Sharma
Written by Charu Shrivastava, last updated on 1 November 2022| min read
Difference Between IUI and IVF - Know Full Comparison

Quick Summary

  • IVF and IUI are two fertility treatments that can help a woman get pregnant when she fails to get pregnant naturally.
  • During IUI, the sperm is injected directly into the uterus to decrease its travel time to the egg. On the other hand, IVF is a multi-step reproductive procedure that involves egg stimulation, retrieval, fertilisation, and transfer.
  • Both IVF and IUI have their own advantages and disadvantages. It is important to discuss your options with your doctor to decide which treatment is right for you.
Today, more and more couples who face difficulty conceiving turn to fertility treatments like In Vitro Fertilisation (IVF) and Intrauterine Insemination (IUI). These two artificial fertility treatments can help a woman get pregnant when she fails to get pregnant naturally. Moreover, these procedures can also be used by single parents or same-sex couples who try to get pregnant using donor sperm. 
While discussing options for fertility treatment, people consider two procedures - IUI and IVF. However, they are usually unaware of the differences between the two. During IUI, the sperm is injected directly into the uterus to decrease its travel time to the egg. On the other hand, IVF is a multi-step reproductive procedure that involves egg stimulation, retrieval, fertilisation, and transfer. Carefully read the blog below to learn more about the differences between IVF and IUI.

What is IVF?

In Vitro Fertilisation (IVF) is a form of ART (Assisted Reproductive Technology) in which a woman’s eggs and a male’s sperm are fertilised outside the woman’s body in a laboratory. Before fertilising, the woman will receive fertility medication that stimulates her ovaries to produce multiple follicles. 
Once the eggs mature, they are retrieved through the vagina during a procedure called oocyte retrieval. Next, the retrieved eggs are combined with the sperm in the lab, and the embryos are transferred to the uterus after careful monitoring.
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Who needs IVF?

Doctors generally recommend IVF for couples who have been unsuccessful in getting pregnant for more than a year or who experience one or more of the following infertility problems:
  1. Severely low male-sperm count and/or motility
  2. Poor egg vitality
  3. Blocked fallopian tubes untreatable with surgery
  4. Lack of ovulation
  5. Multiple miscarriages
  6. Male partner with a history of vasectomy
  7. Endometriosis (tissue similar to the uterus lining grows outside the uterus, on other parts of the body)
  8. IVF surrogacy and egg donation

What is IUI?

Intrauterine Insemination (IUI), also called artificial insemination, is a simple procedure performed in the doctor’s office. IUI, a more common fertility treatment, is less invasive and less expensive than IVF. The doctor inserts the previously collected and processed sperm directly into the uterus during the procedure to reduce the distance between the sperm and the egg!
Before insertion, a semen sample is washed in the lab to separate the sperm from the seminal fluid. Next, the sperm is placed higher in the uterine cavity to bypass the cervix, making the passage to the fallopian tube much shorter. The goal of IUI is to improve the chances of fertilisation by increasing the number of healthy sperm reaching the fallopian tube. IUI is barely a one hour procedure wherein sperm processing takes 30 minutes,insertion of sperms in the uterine cavity takes 10 minutes and the patient is asked  to keep lying down for the next 10 minutes.
IUI is performed either with the help of fertility medications or during a woman’s natural ovulation cycle. Doctors generally recommend trying three rounds of IUI before moving on to IVF.

Who needs IUI?

The doctor will likely suggest IUI for the following situations:-
  1. Unexplained infertility
  2. Mild male-factor infertility
  3. Ovulation problems
  4. Male partner faces difficulty ejaculating
  5. Frozen sperm obtained before surgery
  6. Getting pregnant using a donor’s sperm

Side Effects of IVF and IUI

Some medicine-induced side effects of these fertility treatments include:-
  1. Bloating
  2. Hot flashes
  3. Ovarian cysts
  4. Breast tenderness
  5. Depression or mood swings
  6. Ovarian Hyperstimulation Syndrome (OHSS): results in swollen, painful ovaries.

How is IVF different from IUI?

Both IVF and IUI are fertility treatments, but there are some differences between the two. The treatments differ in their process, cost, success rate, and duration. The following table summarises the differences between IVF and IUI.
Parameters IVF IUI
Procedure The eggs and sperm are fertilised in a laboratory, and the embryo is transferred to the uterus. The healthcare provider directly injects the sperm into the uterus.
Fertilisation location Laboratory Female’s body
Length of procedure About three weeks Approximately two weeks
Goal/ Scope Treat both mild or severe male and female infertility Treat mild male infertility
Production of eggs Around 15 mature eggs One or two eggs
Anaesthesia requirement Yes No
Invasiveness More invasive Less invasive
Average cost Rs 95,000 to Rs 2,50,000 Rs 6,000 to Rs 9,000
Success rate About 50% below 35 years of age About 5-20% per cycle

Which to choose: IVF or IUI?

Undergoing fertility treatments do not guarantee a baby. However, they do increase the chances of getting pregnant. Though IVF has a higher success rate, the right procedure depends on the individual body’s needs and goals. Let’s look at the best option for certain goals:-
  1. Cost-effective: IUI costs less per cycle and usually works for women within three cycles. 
  2. Faster pregnancy: IVF can help faster pregnancy compared to those who start with IUI and later switch to IVF. 
  3. Reducing risks: IUI has fewer overall risks than IVF. 
  4. Least invasive: IUI is the least invasive of the two options. 
  5. Family planning: IVF allows freezing unused embryos for later use. This is not possible for IUI.
Consulting a healthcare specialist is the first step while assessing your infertility issues and deciding on the best course of action. It is also important to research the success rate of the healthcare facility before making the decision. The team of expert doctors at HexaHealth can help you choose the best fertility treatment after carefully evaluating your needs and goals. Get in touch with us to ensure quality services from consultation to aftercare.

Frequently Asked Questions

Usually, both IVF and IUI are painless procedures. You may experience mild cramping that goes as soon as the procedures are complete. However, pain in these procedures is subjective and can differ from person to person.
 IVF is more successful than IUI due to its faster time to pregnancy and high success rate per cycle. While IUIs usually have a success rate of about 5-20% per cycle, the success rate for IVF is approximately 50% for women under 35.
If you qualify for both IUI and IVF, your doctor may recommend IUI as a good starting point for infertility. IUI is a popular first choice as it is less expensive and invasive, with fewer risks and side effects.
An IUI costs less than IVF on a per-cycle basis. While the cost of IUI ranges between Rs 6,000 to Rs 9,000, IVF costs about Rs 95,000 to Rs 2,50,000. The cost difference between the two procedures is approximately Rs 89,000 to Rs 2,41,000.
 IVF has a much higher success rate than IUI. IVF has a success rate of about 50% for women under 35. On the other hand, the success rate of IUI is just about 5-20% per cycle.
IVF is considerably more effective than IUI due to its faster time to pregnancy and higher success rate. For IUI, you may require several cycles before getting pregnant.
The success rate of both IUI and IVF falls for women who reach the 40-42 age group. While the success rate for IUI for women over 40 is 2% to 5%, the success rate for IVF is 15% or even less. 
 
People may think that the chances of twins are greater in IVF as multiple embryos are transferred to the uterus. But the truth be told, IUI has greater chances of twins than IVF. IVF pregnancies with fresh embryos have a 12.1% chance of twins for women under 35 and a 9.1% chance for women between 35 to 37. IUI is generally performed with hormone-stimulating injectable medications, which results in a 30% chance of twins.
No, IVF is not cheaper than IUI. The cost of IUI ranges between Rs 6000-Rs 9000. On the other hand, the cost of IVF ranges between Rs 95,000-Rs 2,50,000.
 
If you qualify for both procedures, the doctor may recommend starting with IUI. However, you can skip straight to IVF if you and your partner want fast results or have one of the following situations:
  1. Blocked fallopian tube
  2. Low sperm count
  3. Severe endometriosis
  4. Frozen eggs or embryos
IVF is the most successful and effective treatment for all infertility forms, including unexplained and age-related infertility. 
 
There are several causes of infertility. Some possible causes include:-
  1. Uterine issues (Polyps, tumours, fibroids, or septums inside the uterus can interfere with pregnancy)
  2. Damaged or blocked fallopian tubes (Scars from pelvic infections, pelvic surgery, and endometriosis can damage fallopian tubes, keeping the sperm from reaching the egg)
  3. Ovulation issues (Hormonal imbalances, substance abuse, eating disorders, thyroid conditions may cause infrequent or no ovulation)
  4. Primary ovarian insufficiency (Premature loss of eggs from your ovaries before menopause)
After failed IUIs, IVF is the only option if you want to give birth using your own eggs. An IVF procedure increases your chances of a successful pregnancy.
Doctors usually recommend three rounds of IUI before IVF for women under 35. The recommendation can go three rounds on an average for selected patients. For women over 35, the rounds recommended are lower as increasing age can seriously impact fertility. 
 
In the case of PCOS, you have the best chance of success with IUI. However, if you undergo 2-3 cycles of IUI and do not get pregnant, you might want to consider an IVF procedure. 
 

Last Updated on: 1 November 2022

Disclaimer: The information provided here is for educational and learning purposes only. It doesn't cover every medical condition and might not be relevant to your personal situation. This information isn't medical advice, isn't meant for diagnosing any condition, and shouldn't replace talking to a certified medical or healthcare professional.

Reviewer

Dr. Arti Sharma

Dr. Arti Sharma

MBBS, DNB Obstetrics and Gynaecology, Diploma In Cosmetic Gynaecology

9 Years Experience

Dr Arti Sharma is a well-known Obstetrician and Cosmetic Gynaecologist currently associated with Aesthetica Veda in Bengaluru. She has 9 years of experience in Obstetrics and Cosmetic Gynaecology and worked as an expert Obstetrician...View More

Author

Charu Shrivastava

Charu Shrivastava

BSc. Biotechnology I MDU and MSc in Medical Biochemistry (HIMSR, Jamia Hamdard)

2 Years Experience

Skilled in SEO and passionate about creating informative and engaging medical content. Her proofreading and content writing for medical websites is impressive. She creates informative and engaging content that educ...View More

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