IVF Statistics
January to December 2008*
IVF Success Rates
|
Pregnancy Rates per Fresh Embryo Transfer |
<35 yrs | 35-37 yrs | 38-40 yrs | >40 yrs | All patients |
|
Ultrasound confirmed |
61.4% (89/145) |
40.0% (40/100) |
34.9% (29/83) |
10.3% (3/29) |
45.1% (161/357) |
Blastocyst ** Transfer Success Rates
|
Pregnancy Rates per Fresh Embryo Transfer |
<35 yrs | 35-37 yrs | 38-40 yrs | >40 yrs | All patients |
| Ultrasound confirmed | 65.8% (77/117 |
50.8% (32/63) |
42.2% (19/45) |
14.3% (1/7) |
55.6% (129/232) |
Donor Egg Success Rates
|
Pregnancy Rates per Fresh Embryo Transfer |
All patients |
| Ultrasound confirmed |
66.7% |
Egg Donation Program
Through continued recruitment efforts, we now have multiple egg donors
available for selection by our recipient couples.
Frozen Embryo Transfer Success Rates
|
Pregnancy Rates per Fresh Embryo Transfer |
All patients |
| Ultrasound confirmed |
51.8% |
* Clinical pregnancy rate per cycle of embryo transfer. Note
that a comparison of clinic success rates may not be meaningful because
patient medical characteristics and treatment approaches may vary from clinic to
clinic.
** These results are included in IVF success rates.
Prognosis for Success - Explanation of Our IVF Statistics
Following is an explanation of our IVF statistics shown above:
- Comparison of clinic success rates: The ASRM provides the
following statement about comparing clinic success rates: "A comparison of clinic success rates may not be meaningful
because patient medical characteristics and treatment approaches vary from
clinic to clinic." October 1999
- Using pregnancy rates, rather than live birth rates: Understanding
a success rate is paramount to gaining an appreciation for how likely it is
to have a baby. SART (Society of Assisted Reproductive Technology) published
success rates are expressed as live births per cycle of treatment initiated
subdivided by age. Unfortunately this methodology means that data is about
two years old when it reaches the consumer. We strongly believe that the
most relevant data to evaluate a program is from the previous calendar year.
Since live birth rate data is not yet available, pregnancy rates are
expressed as ongoing but not delivered.
- Per embryo transfer: The table above expresses our pregnancy rates
for the year 2007, per embryo transfer procedure.
- Definitions of items used in the above table:
- ultrasound confirmed: An ultrasound confirmed pregnancy is one
at six to eight weeks with a gestational sac seen on ultrasound imaging.
- ongoing pregnancy: Ongoing pregnancy means that the pregnancy
has progresses to at least 20 weeks (5 months) gestation.
- ultrasound confirmed: An ultrasound confirmed pregnancy is one
at six to eight weeks with a gestational sac seen on ultrasound imaging.
- Patient's age: By tradition we have broken down results by the
patient's age. Egg recipient cycles are grouped together as all egg donors
are under age 35.
- Age is not the only factor influencing IVF success: It is important to remember that age alone is not the only factor influencing IVF success. Factors including ovarian reserve, baseline FSH level, prior ovarian surgery, moderate to severe endometriosis, multiple unsuccessful previous cycles, uterine abnormalities (such as congenital abnormalities or myomas), tubal factors (such as hydrosalpinx), and genetic factors all will influence how successful a procedure may be.
We encourage all patients to specifically address the question of their
"prognosis for success" with one of our physicians. In this way, all
contributory factors pertinent to the individual couple may be considered and an
appropriate individual prognosis can then be defined.
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