Best IVF Hospital in Chennai - Gleneagles HealthCity Chennai
What is IVF?
In vitro fertilization (IVF) is an advanced reproductive technology designed to help individuals and couples conceive a child. It involves a multi-step process where eggs are retrieved from the woman's ovaries, fertilized by sperm in a laboratory, and then transferred into the woman's uterus. Here's a detailed overview of the IVF process:
1. Initial Consultation and Assessment
Before starting IVF, individuals or couples meet with a fertility specialist to discuss medical history, conduct physical examinations, and run diagnostic tests to determine the best approach. Tests may include hormone level assessments, ovarian reserve testing, semen analysis, and imaging studies of the uterus.
2. Ovarian Stimulation
The first active step in IVF involves stimulating the ovaries to produce multiple eggs, rather than the single egg that typically matures each month. This is achieved through the administration of fertility medications, including:
- Gonadotropins: Injectable hormones that stimulate the ovaries.
- GnRH Agonists or Antagonists: These medications prevent premature ovulation by controlling hormone release.
During this period, which lasts about 10-14 days, frequent monitoring through blood tests and ultrasounds is required to track the development of the follicles (fluid-filled sacs in the ovaries where eggs mature).
3. Trigger Shot
Once the follicles are deemed ready, a "trigger shot" of human chorionic gonadotropin (hCG) or another medication is administered to finalize the maturation of the eggs and prepare them for retrieval. This shot is typically given 36 hours before the scheduled egg retrieval.
4. Egg Retrieval
Egg retrieval is a minor surgical procedure performed under sedation or anesthesia. Using transvaginal ultrasound guidance, a thin needle is inserted through the vaginal wall into the ovaries to aspirate (suction) the eggs from the follicles. This procedure usually takes about 20-30 minutes. After retrieval, the eggs are immediately taken to the laboratory for evaluation.
5. Sperm Collection
On the same day as the egg retrieval, a sperm sample is collected from the male partner or a donor. The sample is then processed to concentrate the sperm and remove impurities. In cases of male infertility, sperm may be directly extracted from the testicles through a minor surgical procedure.
6. Fertilization
Fertilization of the eggs can be done through:
- Conventional Insemination: Eggs and sperm are combined and incubated together, allowing sperm to naturally fertilize the eggs.
- Intracytoplasmic Sperm Injection (ICSI): A single sperm is directly injected into an egg. ICSI is often used when sperm quality or quantity is an issue.
7. Embryo Culture
The fertilized eggs (now called embryos) are cultured in the lab for 3-5 days. During this time, they develop into multicellular structures. Embryologists monitor their growth and quality, and may perform genetic testing (Preimplantation Genetic Testing - PGT) on the embryos to check for chromosomal abnormalities or specific genetic conditions.
8. Embryo Transfer
The best quality embryo(s) are selected for transfer into the woman’s uterus. The embryo transfer procedure is relatively simple and painless, involving the placement of a thin catheter through the cervix to deposit the embryo into the uterine cavity. Typically, one or two embryos are transferred to minimize the risk of multiple pregnancies.
9. Luteal Phase Support
After the embryo transfer, hormonal support (usually progesterone) is provided to enhance the uterine lining and improve the chances of implantation and pregnancy. This support continues until the pregnancy test.
10. Pregnancy Test
About two weeks after the embryo transfer, a blood test is conducted to measure the level of human chorionic gonadotropin (hCG) in the woman’s blood. A positive result indicates pregnancy. If pregnancy is confirmed, follow-up ultrasounds are scheduled to monitor the development of the pregnancy.
Success Rates and Considerations
IVF success rates depend on various factors, including the age of the woman, the cause of infertility, the quality of the eggs and sperm, and the specific protocols used. Younger women generally have higher success rates. Additionally, lifestyle factors such as diet, stress, and overall health can impact the outcome.
Emotional and Physical Implications
The IVF process can be physically demanding due to frequent doctor visits, injections, and procedures. It can also be emotionally taxing, with significant hopes and fears associated with each stage of the process. Counseling and support groups are often recommended to help individuals and couples navigate the emotional landscape of IVF.
Financial Considerations
IVF is affordable, and costs may vary depending on the clinic, geographic location, and specific treatments required. Many insurance plans do not cover IVF, so financial planning and exploring financing options or grants can be crucial.
IVF has revolutionized the field of reproductive medicine, providing hope and the possibility of parenthood to millions of people worldwide. Each IVF journey is unique, and with the guidance of skilled fertility specialists, many achieve successful outcomes.
Eligibility Criteria for IVF
Determining eligibility for in vitro fertilization (IVF) involves several factors that influence the likelihood of a successful outcome and ensure the safety of the procedure for both the individual or couple undergoing treatment and the potential offspring. While eligibility criteria may vary slightly depending on the clinic and the specific circumstances of each case, the following are commonly considered factors:
1. Age
- Female Age: Age is one of the most significant factors affecting IVF success rates. Generally, younger women (under 35) tend to have higher success rates due to better egg quality and ovarian function. However, women of advanced reproductive age may still be eligible for IVF, albeit with lower success rates.
- Male Age: Advanced paternal age can also impact sperm quality and fertility potential, although to a lesser extent compared to maternal age.
2. Fertility Diagnosis
- Ovulatory Disorders: Women with irregular or absent ovulation may benefit from IVF to achieve pregnancy.
- Tubal Factor Infertility: IVF is often recommended for women with blocked or damaged fallopian tubes, as it bypasses the need for the tubes in conception.
- Male Factor Infertility: Couples with male factor infertility, such as low sperm count or poor sperm motility, may opt for IVF with intracytoplasmic sperm injection (ICSI) to achieve fertilization.
- Unexplained Infertility: In cases where the cause of infertility remains undetermined despite thorough evaluation, IVF may be considered as a treatment option.
3. Reproductive History
- Previous IVF Cycles: Individuals or couples who have undergone previous unsuccessful IVF cycles may still be eligible for further attempts, with adjustments made based on prior treatment outcomes.
- Miscarriage History: Individuals with a history of recurrent miscarriages may benefit from IVF with preimplantation genetic testing (PGT) to select embryos with the highest chance of implantation and reduce the risk of miscarriage.
4. Overall Health and Lifestyle Factors
- Body Mass Index (BMI): Both underweight and overweight individuals may face challenges with fertility and IVF success. Maintaining a healthy BMI is important for optimizing reproductive outcomes.
- Smoking and Substance Use: Smoking and excessive alcohol or drug use can negatively impact fertility and IVF success rates. Individuals are typically advised to abstain from these substances during IVF treatment.
- Medical Conditions: Certain medical conditions, such as endometriosis or polycystic ovary syndrome (PCOS), may necessitate IVF treatment to overcome associated fertility challenges.
5. Psychological Readiness
- Emotional Support: IVF can be emotionally taxing, with highs and lows throughout the treatment process. Individuals or couples should be emotionally prepared to navigate the challenges and uncertainties associated with IVF, with access to counseling and support resources if needed.
6. Financial Considerations
- Cost of Treatment: IVF treatment can be affordable, and individuals or couples should consider their financial readiness to cover the costs associated with IVF, including consultation fees, medications, procedures, and potential additional treatments or cycles.
7. Legal and Ethical Considerations
- Regulatory Requirements: Depending on the country or region, there may be legal regulations governing who can access IVF treatment, such as age restrictions or requirements for counseling or consent.
Determining eligibility for IVF involves a comprehensive assessment of medical, reproductive, emotional, and financial factors. Fertility specialists work closely with individuals or couples to evaluate their unique circumstances and develop personalized treatment plans aimed at optimizing the chances of a successful outcome while prioritizing safety and well-being.
Our Doctors
View allDr Padmapriya Vivek
HOD - OBGYN & Fertility Med & Director of Uterine Transplant
MBBS, MS, DRM (Germany)