Pregnancy success rate with ivf,pregnancy after miscarriage due to incompetent cervix hereditary,metformin for pregnancy success stories - 2016 Feature
This research study is a retrospective review of implantation rates according to recorded factors in our egg donor database.
All 474 egg donation cycles that used a donor between 18-31 years old and had a a fresh embryo transfer done in our clinic between January 2003 and March 2011 were included. Implantation rates (number of fetal hearts on ultrasound divided by number of embryos transferred).
Our study shows no statistical difference in implantation rates or clinical pregnancy rates with egg donation cycles according to how old the donor is (through age 31).
Clearly, egg donors would be "too old" at some point to allow for a high pregnancy success rate.
However, the donor age at which egg donation success rates begin to drop off has yet to be determined. As women age, the reproductive quality of their eggs begins to decline, making it increasingly difficult for them to get pregnant naturally without IVF or IVF using donor eggs.
In this article I review the the United States Center for Disease Control statistics and pregnancy success rates for women 45 years and older using IVF with their own eggs.
How do percentages of IVF cycles that result in pregnancies, live births, and singleton live births differ for women who are 40 or older?
For women 44 and older, 3.3 percent of IVF cycles using their own eggs resulted in a live birth.
A woman’s age is the most important factor affecting the chances of a live birth when her own eggs are used.
A woman’s age not only affects the chance for pregnancy when her own eggs are used, but also affects her risk for miscarriage.
The percentage of IVF cycles that resulted in miscarriages began to increase among women in their mid?to late 30s and continued to increase with age, reaching 30 percent at age 40 and almost 58 percent among women older than 44. How does a woman’s age affect her chances of progressing through the various stages of IVF?
As women get older, cycles that have progressed to egg retrieval are slightly less likely to reach transfer.
The percentage of cycles that progress from transfer to pregnancy also decreases as women get older.
Overall, 1 percent of cycles started in 2008 among women older than 44 resulted in live births. Embryo quality is reflected by the implantation rate - higher quality embryos implant at a higher rate. In general, while women in their 20s and 30s have many good quality eggs and few problems conceiving, women in their 40s and older may want to consult a doctor who specializes in fertility problems. That’s because live births include women who have multiples like twins, triplets, and quadruplets.
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