Fresh Vs Frozen Embryo Transfer Success Rates

Embryo transfer is when the embryo prepared in the laboratory after the fusion of male and female gametes during the IVF process is transferred into the mother’s uterus. It is a swift and easy process that doesn’t require anaesthesia. The woman is usually excited, happy and hopeful about the pregnancy during this phase. Two types of the embryo can be transferred into the uterus, fresh or frozen. And you may want to know the success rate and best options available for you. There are some significant differences, and surprisingly studies reveal that using previously frozen embryos may offer a higher chance of success for some women. Let us talk about the pros and cons of each procedure.

Pros and cons of fresh transfer:

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Fresh transfer of embryo is done at the blastocyst stage, i.e. on day five or day six of fertilisation. The pros and cons can vary from person to person, only your doctor can suggest, which is the best option for you and your baby.

Pros 

  • The advantage of using fresh embryo transfer is, if the IVF is successful, it has a shorter duration of the overall process to get pregnant. As it happens right after egg retrieval, if the embryo gets implanted and leads to a successful pregnancy, the wait time is shorter.

Cons

  • Because of fertility medications, the hormone levels may rise and prevent the embryo’s implantation. Recent studies suggest that high levels of estrogen may be associated with reduced uterine receptivity. The lining of your uterus may not be in an optimal state for implantation, making it more difficult for an embryo to attach.

Pros and cons of frozen transfer:

Frozen embryos are the embryos preserved in previous IVF cycles, that can be used in the fresh process to overcome the cons of the fresh embryo transfer.

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Pros:  

  • The Risk of OHSS (ovarian hyperstimulation syndrome) that is caused basically because of gonadotropins injected while IVF or risk of OHSS after egg retrieval and transfer is significantly reduced by frozen transfer.
  • The body gets time to recover, and the uterus lining may be more ideal for the embryo implantation.
  • Studies show that babies born with frozen embryo technique have better health and are less likely to be born with low weight or any other health issues.

 

Cons:

  • It is a time taking process. It takes almost 30 days following egg retrieval for FET.
  • Slow freeze, an older method, has a higher risk of injury or loss. Vitrification, a “flash freezing” process, allows embryos to be frozen almost instantly, which prevents most damage. There is a possible chance of embryo loss with the latest technology and best methods.

Final wordstop ivf specialist in delhi

Frozen Embryo Transfer has 95% chances of the success rate and 15% higher pregnancy rate. Moreover, it provides additional cycle opportunities for the couple. It is essential to discuss both the techniques with your doctor and decide the best available option. The success rate depends upon the age, reproductive and overall health of the child-bearer. It also depends on ovarian reserve and quality of gametes. So you must prepare yourself for every situation and have a healthy discussion with your gynaecologist. Choosing the best embryo transfer method can be the most significant milestone for you and your family, so we wish you the best.

Visit Dr Sowjanya Aggrawal, top IVF specialist in Delhi. Book your appointment now!

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