Hi again everyone and thanks for all the great help!!!! I am still on the fence about this. I have 2 boys, really really want a girl, I'm 37 no prior infertility. I know the odds for MS and a pretty sure thing with PGD. Now I am seeing all these stats for PGD and just not sure at all anymore. Do I dare MS only?????
A small study presented as a poster (Poster # 322) at American Society for Reproductive Medicine annual meeting in October 2004 looked at whether PGD can improve IVF success. The study was done by J. Stevens, Wale, Surrey, Schoolcraft and Gardner from the Colorado Center for Reproductive Medicine.
Title of the study: "Is aneuploidy screening for patients aged 35 or older beneficial?"
- The study results showed that the group of patients having PGD showed:
- The same percentage rate of embryos developing to blastocysts by day 5
- Lower rates for pregnancy
- Lower rates for ongoing pregnancy
- Lower rates of embryo implantation
- Lower rates of miscarriages
However, this study was small, and therefore none of the differences between the 2 groups were statistically different.
Data from this study are shown in the table below:
| |
Number of patients |
Average female age |
Average number of eggs |
Average number of embryos |
Rate for embryos making blastocysts on day 5 |
Initial pregnancy rate per egg retrieval |
Miscarriage rate |
Ongoing pregnancy rate per egg retrieval |
Implantation rate per embryo transferred |
|
No PGD group (control group) |
18 |
39 |
22 |
14 |
49% |
89% |
19% |
72% |
44% |
|
PGD group |
21 |
39 |
20 |
13 |
49% |
57% |
8% |
52% |
32% |
This was an excellent study, and larger controlled randomized trials of PGS for aneuploidy are needed to determine whether it improves (or reduces) the chances for a healthy live birth outcome for infertile couples having IVF treatment.
It is important to consider that regardless of the outcome of a few studies, further research is needed from multiple IVF centers. What works (or doesn't) in one center might show a different result in another center