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The Fertility Clinic Success Rate and Certification Act (FCSRCA) of 1992 are United States regulatory requirements that mandate all assisted reproductive technology (ART) clinics report pregnancy success rates data to the Centers for Disease Control and Prevention (CDC) in a standardized manner and for the CDC to publish pregnancy success rates .
The Cochrane study showed a small improvement in live birth rate per couple for blastocyst transfers. This would mean that for a typical rate of 31% in clinics that use early cleavage stage cycles, the rate would increase to 32% to 41% live births if clinics used blastocyst transfer. [47]
Due to advances in reproductive technology, live birth rates by cycle five of IVF have increased from 76% in 2005 to 80% in 2010, despite a reduction in the number of embryos being transferred (which decreased the multiple birth rate from 25% to 8%). [13] The success rate depends on variable factors such as age of the woman, cause of ...
Embryo culture until the blastocyst stage confers a significant increase in live birth rate per embryo transfer, and there is no evidence of a difference between the groups in cumulative pregnancy rates. [2] Transfer day 2 instead of day 3 after fertilization has no differences in live birth rate. [3]
It can be used in teratozoospermia, because once the egg is fertilized, abnormal sperm morphology does not appear to influence blastocyst development or blastocyst morphology. [6] Even with severe teratozoospermia, microscopy can still detect the few sperm cells that have a "normal" morphology, allowing for optimal success rate. [6]
Pregnancy rate is the success rate for getting pregnant.It is the percentage of all attempts that leads to pregnancy, with attempts generally referring to menstrual cycles where insemination or any artificial equivalent is used, which may be simple artificial insemination (AI) or AI with additional in vitro fertilization (IVF).
Once the DNA was isolated it was used for preimplantation genetic testing. The results showed that when both methods (blastocyst fluid and embryo spent media) were used in combination, they showed a cordance rate for the whole chromosome copy of 87.5% when compared to the trophectoderm, 96.4% when compared to the whole blastocyst (gold standard).
In current state of the art, early embryos having undergone cryopreservation implant at the same rate as equivalent fresh counterparts. [2] The outcome from using cryopreserved embryos has uniformly been positive with no increase in birth defects or development abnormalities, [3] [8] also between fresh versus frozen eggs used for intracytoplasmic sperm injection (ICSI). [9]