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In Vitro Fertilization (IVF)

 In Assisted Reproductive Techniques

At this moment there are more than a million infertile couples in India trying for a conception. IVF (in vitro fertilization) or ‘test tube baby‘ is the magic word for infertile couples desperately desirous of a child. Through this technology which is a boon to mankind, many who had no chance of having their own child, are now proud parents. Though by IVF, a couple has up to a 60% chance of success, the success rate may vary from couple to couple and may not be the same for all couples.

The different stages of In Vitro Fertilization Procedure and In Vitro Fertilization Steps are as follows:

Who Needs IVF?

  • Tubal Damage or Block
  • Absent or Low Sperm Count (< 5million /ml)
  • Damaged uterine lining (Endometrium)
  • Poor Ovarian (Egg) capacity
  • Failure of Fertility treatment for more than 3 years.

What Happens In An IVF Treatment Cycle?

Typically, an IVF cycle consists of ovarian stimulation, egg collection, fertilization, embryo culture and embryo transfer. Ovarian stimulation consists of daily injection of hormones to the female partner with frequent clinical and ultrasonographic monitoring. This usually continues for 10-15 days. Egg retrieval is performed under anesthesia through the internal route. There are no incisions or scars. The egg and sperm are either mixed (IVF) (Figure 1) or the sperm is injected into the egg (ICSI-intracytoplasmic sperm injection) (Figure 2). The fertilized egg forms the embryo. The embryo is cultured in the laboratory for 2-3 days (Figure 3). Two-three best embryos are selected and transferred into the womb (uterus) on the second or the third day. The pregnancy test is done 14 days after the day of embryo transfer.

What Is The Success Rate of This Process?

It all sounds so logical and definitive that one would expect success in every case! But unfortunately, this is not the reality. One must understand that in the entire process of IVF each step is a hurdle that has to be negotiated successfully. For example, not all women respond to ovarian stimulation, not all eggs are mature, not all eggs fertilize to make good embryos and not all embryos implant. Therefore, there is an attrition or drop out at each stage. It is at the stage of implantation that there is a huge scope for further research. Implantation is the process where the uterus accepts the embryo which then develops to form the baby. Much work has been done on this aspect of IVF and medications such as steroids, aspirin, heparin, sildenafil are being tried to improve implantation rates. The overall success rate of IVF is about 40 % per treatment cycle. In order words, 4 out 10, who otherwise had given up all hopes of parenting a child would conceive after attempting IVF. The World over the success rate is highest in younger women where it can reach up to 60% per treatment cycle. In the case of failure, IVF may be tried again and the cumulative pregnancy rate over 3 cycles may go as high as 80%.

In order to give the optimum benefit to the patient, it is essential that the infertile couple is offered the right treatment at the right time. It is also essential that patients understand the entire process of IVF. We are in an era of transparency and constant dialogue with patients. They should be involved in decision making. They must understand the strong points and drawbacks of the entire IVF process. Once there is a complete understanding of the process a lot of stress associated with such intensive treatment will automatically be allayed.

At this moment there are more than a million infertile couples in India trying for a conception. IVF (in vitro fertilization) or ‘test tube baby‘ is the magic word for infertile couples desperately desirous of a child. Through this technology which is a boon to mankind, many who had no chance of having their own child, are now proud parents.

Who Needs IVF?

  • Tubal Damage or Block
  • Absent or Low Sperm Count (< 5million /ml)
  • Damaged uterine lining (Endometrium)
  • Poor Ovarian (Egg) capacity
  • Failure of Fertility treatment for more than 3 years.

What Happens In An IVF Treatment Cycle?

Typically, an IVF cycle consists of ovarian stimulation, egg collection, fertilization, embryo culture and embryo transfer. Ovarian stimulation consists of daily injection of hormones to the female partner with frequent clinical and ultrasonographic monitoring. This usually continues for 10-15 days. Egg retrieval is performed under anesthesia through the internal route. There are no incisions or scars. The egg and sperm are either mixed (IVF) or the sperm is injected into the egg (ICSI-intracytoplasmic sperm injection) . The fertilized egg forms the embryo. The embryo is cultured in the laboratory for 2-3 days . Two-three best embryos are selected and transferred into the womb (uterus) on the second or the third day. The pregnancy test is done 14 days after the day of embryo transfer.

What Is The Success Rate Of This Process?

Though by IVF, a couple has up to a 60% chance of success, the success rate may vary from couple to couple and may not be the same for all couples. It all sounds so logical and definitive that one would expect success in every case! But unfortunately, this is not the reality. One must understand that in the entire process of IVF each step is a hurdle that has to be negotiated successfully. For example, not all women respond to ovarian stimulation, not all eggs are mature, not all eggs fertilize to make good embryos and not all embryos implant. Therefore, there is an attrition or drop out at each stage. It is at the stage of implantation that there is a huge scope for further research. Implantation is the process where the uterus accepts the embryo which then develops to form the baby. Much work has been done on this aspect of IVF and medications such as steroids, aspirin, heparin, sildenafil are being tried to improve implantation rates. The overall success rate of IVF is about 40 % per treatment cycle. In order words, 4 out 10, who otherwise had given up all hopes of parenting a child would conceive after attempting IVF. The World over the success rate is highest in younger women where it can reach up to 60% per treatment cycle. In the case of failure, IVF may be tried again and the cumulative pregnancy rate over 3 cycles may go as high as 90%.

In order to give the optimum benefit to the patient, it is essential that the infertile couple is offered the right treatment at the right time. It is also essential that patients understand the entire process of IVF. We are in an era of transparency and constant dialogue with patients. They should be involved in decision making. They must understand the strong points and drawbacks of the entire IVF process. Once there is a complete understanding of the process a lot of stress associated with such intensive treatment will automatically be allayed.

Estimated Time Required:

One IVF cycle takes about 15 days from start of period to embryo transfer. It takes another 15 days for the result of pregnancy test. Many patients may not be able to spare so much time.In such cases we communicate through e-mail communication or WhatsApp . If you collect your medications from us in advance your stay can be reduced from one month to a week to 10 days around the time of embryo transfer. You can travel back 2-3 days after embryo transfer. We are sure that travelling does not reduce chances of pregnancy.

 
 

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