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I got pregnant with my own eggs (age 33, 37, & 38, 2 tubals, 1 ivf success(age 39), but lost the baby with a placenta problem @ 6 months(did CVS). I always had grade A eggs but my doctor did not freeze on day 3 so I lost 23(2 ivf cycles) grade A embroys on day 5(age 39). Now I am 41(just turned) and |
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It is possible that you husband's sperm DNA is highly fragmented and this is causing the embryos to arrest development prior to reaching the 8-cell stage. Although DNA fragmentation is correlated with abnormal sperm morphology, morphologically normal sperm can also have fragmented DNA. If you are going to attempt another cycle, I would recommend that you husband have the Sperm Chromatin Structure Assay. For more information on this test, see www.scsadiagnostics.com. |
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I"m sorry to swerve off subject a bit, but I have question about quality of embryos. Which is better, more cells or better quality? The data from my clinic indicates that better quality has better implantation rates, but I guess that's not the same as preg rates. In a grading scale of 5 (5 being the best), I had 3 grade 3 8- cell embryos at day 3 and 1 grade 2 7 cell. I'm 36. However, I also had a lot of embryos that arrested. Thank you. |
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Both the number of cells (cleavage rate) and the degree of fragmentation (grade) are important and are considered simultaneously when determining the developmental potential of the embryo. |
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This is a very interesting thread. I am not as sophisticated as the others who posted questions for me, but I will do my best! |
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A significant number of embryos that make it to the blastocyst stage do so on Day 6. Although these embryos are "slow" they retain good developmental potential. I don't think there were any cytoplasmic maturity problems with those eggs. However, a polyspermy (more than one sperm inside the egg) rate of 50% is unusual and suggests that the 5 eggs that were polyspermic may have been of borderline cytoplasmic maturity at the time of retrieval. The expected polyspermy rate is about 3-5%. I suggest you speak with your doctor about the high polyspermy rate. |
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I apologize for latching on to this thread, but our situation has some similarities. |
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I need a bit more information. Could you please post the most recent semen analysis results (including morphology) and tell me whether or nor ICSI was performed in either or both IVF cycles. |
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First of all, a big thank you to all of you who took the time to post on this subject. I am encountering the same issue right now with mature eggs and slow growing embryos. I would like to hear if in my case it would be worthwhile to pursue genetic testing (karyotyping) on both my husband and myself or if we are possibly having a cytoplasm issue. |
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I'd say the problem is genetic, but karyotyping may not reveal the source of the problem. Based on the information you provided, the problem appears to be with the genetics of the embryos, not necessarily the parents (i.e. you and your husband). Genetically abnormal embryos most often arrest on the 3rd day of development (just what you observed). If the karyotype of you and your husband is normal, another approach would be to perform pre-implantation genetic diagnosis (PGD) on the embryos of a subsequent IVF cycle. This will directly address the question. However, PGD may only serve to confirm what I already suspect - the embryos are abnormal. If that turns out to be the case, and the karyotypes of you and you husband are normal, it would leave you in a postion of using donor sperm and donor eggs as your most likely way to conceive. |
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Hi |
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hi, I am so confused about the cell division speed. |
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At 48 hours post insemination, the embryos should be between 2 and 4 cells. Your embryos are on schedule. |
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I did my first IVF this month and everything seemed great, 12/13 eggs fertilized and on day 2 I had 6 2-cell, 2 3-cell and 1 4-cell. Then on day 3, when I came in for the transfer I had only 1 6-cell, 3 5-cell and 1-4 cell with fragments and the others weren't developing or developing too slowly. My RE decided to transfer all 5. He said they were "good" quality, except for the fragmentmented one, but wanted to transfer all 5. Do you think I have a chance of pregnancy or am I another possible case of PGD. I have had one m/c at 9 weeks from IUI and I am 34 years old. Dh has above average sperm and is 33. |
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Whenever embryos are transferred there is a chance of pregnancy. However, as you are aware, the embryos were diving slowly and had not developed to the 8-cell stage that is appropriate for Day 3. The usual cause for this kind of slow or arrested development is aneuploidy (the embryo has an abnormal number of chomosomes). |
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Thank you so much for your informative reply, Dr. Smith. I guess only time will tell. I won't get my hopes up too much at this point. I'll let you know the outcome in a couple of weeks. |
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