Fertility Blog

Cumulative Pregnancy Rate for 2007

At Pacific Fertility Center, we consider very carefully the number of embryos we transfer to each patient. Our goal is to create a healthy singleton pregnancy. We do our best to avoid multiple gestations. Consequently, in many cycles where we think that the chance of pregnancy is extremely high, we transfer only a single embryo. Our outstanding and robust embryo cryopreservation program preserves all embryos that were not transferred in the fresh cycle. Patients who transfer only a single embryo can feel secure in knowing that there are frozen embryo(s) available should they be needed. Recently, we completed our analysis of the cumulative pregnancy rates per cycle for 2007. This type of report represents the overall pregnancy chance from a single IVF treatment cycle. This data was not available previously as many patients delay their use of frozen embryos. This cumulative analysis looks at the chance of pregnancy from a single IVF cycle when using both fresh embryos and subsequent frozen embryos, if needed. Table 1 shows the rates for patients that used their own eggs (oocytes). Table 2 shows pregnancy rates for patients that were the recipients of donor oocytes.

**Table 1 Patient Using Own Eggs**
Patient Age<3535-3738-4041-42>42
Cumulative Clinical Pregnancy Rate63%57%39%32%25%
**Table 2 Patient Using Donor Eggs**
Recipient Age<4343-4538-4041-42>42
Cumulative Clinical Pregnancy Rate19016519910978

Please note that these are not delivered pregnancy rates. Many of these pregnancies are ongoing. There are also some patients that have not yet achieved pregnancy, but have frozen embryos remaining.

Posted on July 2nd, 2009

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