Pregnancy rates at Eugonia
Our pregnancy rates in the last 12 years are among the best internationally regarding the percentage of live births per embryo transfer and the percentage of positive pregnancy tests.
We present three tables showing:
a) pregnancy rates with fresh embryos according to age (table 1)
b) the yearly variation of pregnancy rates (table 2)
c) pregnancy rates with frozen embryos (table 3)
Table 1: Fresh cycles
Time period: September 1997 - December 2007
Number of cycles: 4602 *
Number of embryo transfers: 3898
| Age of women |
< 35 |
35-39 |
>40 |
| Positive test |
64,89% |
50,85% |
26,29% |
Clinical pregnancies
(heart function) |
57,46% |
43,72% |
19,16% |
On going pregnancies
(>12 weeks) |
50,32 |
34,74% |
11,18% |
| Live births |
49,03% |
34,01% |
11,06% |
* Cycles with cryopreserved embryos are not included
Table 2: Pregnancy rates per year and age*
NB: The percentage of biochemical pregnancy (positive test) for women <40 years in the first semester of 2006 was 68.75% pr embryo transfer.
* The yearly rates of positive pregnancy tests per embryo transfer for women <40 years and >40 years of age in a total of 4602 cycles is shown in table 3 (excluding cycles with frozen embryos).
Table 3: Frozen cycles
Frozen embryos (September 1997 - December 2007)
Number of cycles: 649
Number of embryo transfers: 618
| Cycles: 409 |
Embryo transfers: 402 |
| Age of women |
< 35 |
35-39 |
>40 |
| Positive test |
48,73% |
42,95% |
39,68% |
Clinical pregnancies
(heart function) |
39,81% |
33,97% |
34,92% |
On going pregnancies
(>12 weeks) |
30,89% |
27,56% |
23,81% |
| Live births |
29,62% |
26,28% |
22,22% |
NB: The statistical data presented concern the number of cycles, egg collections and embryo transfers from 9/1997 until 12/2007. There was not patient selection regarding the cause or duration of infertility, the number of previous attempts and the method of fertilization (IVF or ICSI).
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