fully hatched blastocyst success ratefully hatched blastocyst success rate

2014 Jun;29(6):1173-81. doi: 10.1093/humrep/deu033. Gardner's scale is the most common and universally used blastocyst grading system. Well get into all the statistics and the studies below, so stay tuned! 2022 Sep 26;17(9):e0267652. The hole is in the middle and you can see where its squeezing out: In this case the embryo was likely assisted hatched to prepare for PGT-A, because the zona is still thick. Awadalla et al. Authors:R.M. Compaction are the cells compacted and readying for the next stage, which is forming a blastocyst? 0000031706 00000 n 0000080636 00000 n Embryos reach day 5 of development but havent hatched. Objective: To compare pregnancy outcomes between the transfer of PGT-A tested completely hatched blastocysts versus tested expanded or hatching blastocysts in frozen embryo transfers cycles. How compacted a morula becomes through this merging process is important for morula embryo grading. If you want to learn more about embryo compaction and how success rates might be impacted, check my post What is Embryo Compaction? Theyre looking mainly at two things: An embryo thats dividing well should ideally have between 6 to 10 cells by day 3. 2011). Thank you to Wijnland for their expertise and detailed explanation of hatching blastocysts and assisted hatching during fertility treatment. Theres a lot of components inside each cell, and this needs to be distributed equally. Mine was basically fully hatched at thaw and stuck nicely! Good? The ICM actually becomes the fetus, while the trophectoderm becomes the placenta! Once the embryo becomes a 3 or more, its much more accurate to grade the ICM and trophectoderm. Finally, well go over why embryo grading doesnt tell us everything. Good quality blasts (3BB) a live birth rate of 41% was achieved, 4.4% reduction in patients with a live birth, Aneuploidy (not having the right number of chromosomes), Problems with mitochondria (the batteries of the cell), Unfavorable lab conditions (ie. Been struggling with my babe only taking contact naps so Ive really been trying to get him to sleep in his bassinet on his own.Today I followed his sleepy cues very carefully and brought his bassinet (that he sleeps in at night) into his nursery My LO will be 3mo on the 21st and weve had a love/hate relationship with swaddles ever since he turned about 3 weeks old. There was no differences in ectopic pregnancies, preeclampsia, preterm birth, low birth weight, neonatal complications, congenital malformations and other outcomes. o#EaKNux70313`tAmV@7K -g`PbA H+00p>@ =1i@ - A 6 is hatched out and thats it. 0000005199 00000 n Short Protocol. We would definitely push for the blastocyst stage (day 5) due to the extra information that we get from the development from day 3 to day 5 (impact of the sperm dominance from day 3 onwards). (2011). Now you want to know how embryo grade impacts pregnancy success, right? 2 = cavity fills 1/3 of the embryo 3 = partial expansion, fills 70% of the embryo 4 = fully expanded cavity 5 = embryo has expanded and split open the zona 0000005691 00000 n This study also looked at frozen transfers, which were comparable. SHBT group showed significantly higher blastocyst formation rate (53.3 17.5 vs. 43.1 14.5%, P = 0.0098), top-quality blastocysts (71.8 vs. 53.7%, P = 0.0436), IR (43.6 vs. 27.9%, P =. Knowing what embryo grading is all about can make the journey easier and even (dare we say it?) Anyhow, On my day 5 fresh transfer, I was told that none of the other (CC) blasts were good enough to freeze :- (. National Library of Medicine (773) 794-1818, 820 E Terra Cotta Ave, Crystal Lake, IL 60014 Trying to stand strong and wait until Thursday!! Embryo selection for single embryo transfer is much easier due to the better embryo developing more strongly from day 3 to day 5. D. DearPrudence2015. At 30 years old approximately 30% of eggs (and embryos) are chromosomally abnormal By age 37 the average rate of chromosomal abnormality is 45% 75% of embryos are abnormal by age 42, and 90% by age 44 Some studies have shown that there is a higher percentage of chromosomal abnormalities in day 3 embryos than in day 5 embryos. Similarly, there was no significant difference in fetal cardiac activity rates between Ex/HgBl and CHBl with morphologic grades BB and < BB (p=0.17). 0000017828 00000 n They also check for fragmentation. 0000002844 00000 n Check it out to see a lot more! Oliva M, Briton-Jones C, Gounko D, Lee JA, Copperman AB, Sekhon L. J Assist Reprod Genet. Of the 464 Ex/HgBl transfers, 68.53% resulted in a positive -HCG test, while 122 of CHBl transfers (57.55%) resulted in a positive -HCG test (p=0.005). Inner cell mass (ICM) score, or quality - range A - C (A being the best) 3. All cells the same size resulted in ~30% live. 0000004386 00000 n My hCG was 17,810 today. Can you explain assisted hatching? 0000022690 00000 n Factors associated with vitrification-warming survival in 6167 euploid blastocysts. Error bars represent 95% CI. 2001). 0000080442 00000 n This study is very interesting! Embryologists can have a different opinion on what makes the qualities of these features good, fair or poor. The zona thinness is what determines if the embryo is a 4, and some clinics may only grade them as a 4 if the zona is very thin, while others may grade it a 4 if its only a bit thin. Before and the others all changed to BBs (some close to hatching). (2011)show that SARTs parameters (0%, <10%, 10-25%, >25% fragmentation) correlate well with live birth rates. Other clinics might convert the letters to numbers. I had two hatching 5AA embies put back yesterday so know how you feel - just praying that implantation happens with these good quality embryos. Embryo grades arent the only variable that affects live birth rates. Trophectoderm biopsies were performed on Day 5 (d5) or 6 (d6) for embryos meeting morphology eligibility criteria (set at 3BC). Another more personalized way of figuring out how many blastocysts will develop is to use the nomogram developed by Jin et al. Good quality day 3 embryos tend to have a higher chance of making it to blastocyst. These charts show the options for the number and each letter. Remember, theyre like water balloons, and sometimes this balloon can pop to release the water. The result is a fertilized egg, sometimes called a zygote. Studies of blastocyst collapse in different species of mammals have found that most blastocysts, that experience consecutive weak contractions, hatch successfully whereas those that exhibit strong contractions or collapse, fail to hatch. So, if you have a couple frozen embryos say, a 5AA and a 4BC and the highest quality (at least according to grade) one doesnt result in a live birth, there still could be good news. Poor quality embryos included embryo grades 6CA, 6AC, 6CB, 6BC, 6CC, 5CA, 5AC, 5CB, 5BC, 5CC, 4CA, 4AC, 4CB, 4BC, 4CC, 3CA, 3AC, 3CB, 3BC and 3CC, which had a live. Chi-square analysis also demonstrated a significant difference between these two groups with regards to both rates of positive -HCG and the presence of a gestational sac. Do you always assist if hatching doesn't happen naturally? Yes, avoiding a Robertsonian Translocation, but also couldn't get pregnant spontaneously (so have an unopened new pack of birth control I don't really care for in the bathroom taunting me). After adjusting for age, BMI, endometrial thickness at the LH surge and oocytes retrieved in an LR model, the hatching status was not shown to be associated with implantation (P > 0.05). There is no guarantee of an improved live birth rate. There was no statistical difference in miscarriages (13.7% vs 14.6% vs 19.1% vs 18.7%). The previous 4 cycles (3 bfn, 1 resulted in miscarriage) none of them ever had a fully hatched blast- so hoping this guy is a fighter and has found a nice spot to burrow into my uterus. 0000058651 00000 n What is known already: 0000015984 00000 n This is because the embryos are still developing their ICM and trophectoderm so it can be hard to tell what their quality is. 9 between the rate of good-quality blastocysts (per D2 embryo) cultured under 5% O2 (good-quality blastocyst rate = 16%) and under 20% O2 (good . A blastocyst is a human embryo that's five or six days old. We keep them up because there are a ton of great conversations here and we believe you deserve to see them all. Occasionally you might find that your embryos grade changes. Research is divided about what this means. 0000006360 00000 n hatched blastocysts results in signicantly lower success rates when compared to other stages of blastocyst development (James, R. M et al, 2018). The process involves monitoring and stimulating a female's ovulatory process, removing an ovum or ova (egg or eggs) from their ovaries and letting sperm fertilise them in a culture medium in a laboratory. I do know that my embryos were tested for the translocation and chromosome errors in general though as a few random errors were found in some embryos each time. There are a lot of reasons: I cover all of these points in my post Why do embryos in IVF fail to implant or miscarry? Check it out to see a lot more! This is because the eggs from older women are more likely to produce aneuploid embryos that have a lower chance of achieving a live birth. I will not grade the embryo, since this is best done by your embryologist who had access to the microscope. See this image and copyright information in PMC. Embryo grading is one of the many bridges you cross along the way. Instead of air, the embryo is filled with water and gets bigger, or expands, over time. 0000013788 00000 n 54 73 Study design, size, duration: I really hope it works out this time for you. Ma et al. Did you perform PGS testing with the PGD? While many embryos become blastocysts on day 5, sometimes it takes longer (day 6 or day 7). Clinical outcomes of not fully hatched versus fully hatched blastocysts in fresh and, Clinical outcomes segregated according to, Clinical outcomes segregated according to the time the transferred embryo hatched. Members of our FHH community (download the free app here) often reach out to us seeking clarification on fertility treatment. DOI: Ebner T, et al. 0000036007 00000 n They found that day 3 embryos with more than 10 cells had comparable implantation, pregnancy, live birth and multiple pregnancy rates compared to 8 cell embryos. I was googling for timelines after a 5dt to see when the embryo might actually implant. Would you like email updates of new search results? xref In this grading method, three scores are given for three different . I will not grade the embryo, since this is best done by your embryologist who had access to the microscope. IVF; blastocyst hatching; comprehensive chromosomal screening; implantation; preimplantation genetic screening; trophectoderm biopsy. Making Work Work During Fertility Treatment, Blastocoel cavity is less than half the volume of the embryo, Cavity is greater than half the volume of the embryo, Cavity is greater than the embryo and membrane has thinned, what they look like (yes, appearance counts even as early as this stage!). Operation instructions: 1.First,assemble the egg tray.then assemble the incubator.and start the test after the machine is assembled.. 2.Test your incubator: (1)First plug in the power cord of the incubator.connect the power cord to the power source.and turn on the power switch of your incubator,You will hear a low humidity or low temperature alarm.press the "decrease" key eliminate the alarm. and more of your hatching-blastocyst questions. Laser-assisted hatching is currently the safest, fastest, and most effective technique. Heres an example of what a 4 cell and 8 cell cleavage stage embryo looks like. Ill explain the way I learned when I was an embryologist. 0000002108 00000 n The current data point to trophectoderm biopsy being superior to . acog.org/news/news-releases/2016/08/increased-success-and-safety-in-assisted-reproductive-technology-by-using-elective-single-embryo-transfer, ncbi.nlm.nih.gov/pmc/articles/PMC5987494/, The 30-Day Guide to IVF Success: Diet, Chemicals, Sex, and More, Everything You Need to Know About Artificial Insemination, Debra Rose Wilson, Ph.D., MSN, R.N., IBCLC, AHN-BC, CHT, Signs Your Embryo Transfer May Have Been Successful, How Fertility Treatment May Affect Your Mental Health. Disclaimer: These pages are meant purely for informational purposes. Hi, . I get into this in more detail in the post Genetic analysis of arrested embryos reveals 3 distinct types. Curious if that is a good sign or no? In the second study there was a reduction in success rates, so this suggests the hatched embryo is more fragile. ICM quality depends on the number of cells and how compacted they are. The site is secure. 0000035261 00000 n @sprbaby2013, I looked, didn't see anything specific for hatching blastocysts just unspecified five day transfers. We have broken down the system we use for grading blastocyst success at ORM in the following chart: NUMBER: The degree of the expansion of the embryo's cavity, ranging from 2-6. Study question: Long Protocol. Study funding/competing interests: Day 7 embryos, like poor quality embryos, have a chance of working and should be available to the patient! A Group Leader is a What to Expect community member who has been selected by our staff to help maintain a positive, supportive tone within a group. Periodic lab work and ultrasounds are done to monitor egg growth over the next 10 days. We explore the impact of infertility on your mental health and ways to feel better. Almost all clinics that do extended embryo culture and blastocyst transfer IVF are selective in choosing patients eligible for it. The sperms DNA is still highly compacted and decondensation needs to occur, as well as steps involved in reprogramming the embryos DNA so that genes involved in embryo development are activated. Embryos can also arrest for different reasons: I cover this all in detail in my post on Embryo arrest. We do have another 5 frosties of which 3 were hatching so all is not lost. The usual way is by using the Gardner system, as I explained above. Here are 6 books that can support your IVF journey. If you want to check out the full summary you can check my post Is a fully hatched embryo more fragile than an unhatched embryo? Other things that fertility specialists will take into account when examining a 3-day embryo are: Day 3 embryos are graded according to two criteria: Some fertility clinics prefer to transfer embryos once they reach day 5. I know they perform assisted hatching on all the embryos before freezing them at the clinic I use. You can actually tell fertilization is occurring because you can see the nucleus of the egg and sperm cell (called the pronuclei, as plural). 0000080559 00000 n Some studies show that embryos given higher grades result in better pregnancy rates and more live births, while lower-graded embryos result in poorer pregnancy rates and fewer live births, although this is not the case for all embryos. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. If you feel a message or content violates these standards and would like to request its removal please submit the following information and our moderating team will respond shortly. 248 of the 464 (53.45%) HgBl had positive fetal cardiac activity at the 7-weeks compared to 93 of 212 (43.87%) CHBl. Some evidence suggests increased clinical pregnancy rates but no significant increase in the live birth rate. Participants/materials, setting, method: Think of this as studying the chemical fingerprints left behind by processes that happen in the cell. 2. Inside this water-filled cavity is the ICM stuck to the inside at some position. Learn more about. Remember the cytoplasmic pitting we mentioned? 0000005015 00000 n I guess I'm trying to figure out how much the success rates decrease when the blast is a 4 instead of a 5. There is fair evidence that nonfully hatched euploid blastocysts have a higher chance of implantation than fully hatched euploid blastocysts. Hum Reprod. CCS Success (2007-2020) As pioneers of blastocyst CCS, our expertise spans . This is based on: This information can be gathered by examining the embryos under the microscope to give a grade which can be used as a ranking order for embryo transfer. FET #2 - June 2017. (2018) found live birth rates from day 7 embryos were about half of day 5 and day 6 (~25% vs ~45%) with no differences in low birth weight, malformations or early neonatal death. Epub 2021 Jul 26. Fair quality embryos included embryo grades 6BB, 5BB, 4BB and 3BB, which had a live birth rate of 39.0%. Without the protection of the zona, an FH embryo could be vulnerable to trauma during the transfer procedure. Occasionally, as the cells of the embryo are dividing, theres some tiny pieces called fragments that pop out. This number indicates the blastocyst development stage or the degree of the expansion of the embryo's cavity. We strive to provide you with a high quality community experience. My embryo was almost fully out of its shell. Why did my embryo grade change after it was thawed? A difference of 5% has been reported by Ciray et al. Both of these studies were done in PGS tested embryos that were biopsied. Exp462. However the miscarriage rate was lower when there was more than 10 cells. Posted 6/26/14. This usually happens on day 3, so by day 5 when the embryo is a blastocyst, the cells can easily hatch out. In the video Ill also spend some time going over the parts of an embryo, embryo development and how grading works, using plenty of pictures to make sense of it all. 2 There are several theories on why this occurs, and one of those theories is that the embryo doesn't hatch properly. Some evidence suggests a hatching blastocyst is more likely to split into twins although other studies have found no significant increase. (Other techniques include chemical thinning, mechanical disruption with a microneedle and piezoelectric pulses.) Timing of blast development: Day 5, 6 or 7? Here, weve asked our partners in South Africa, Wijnland Fertility Clinic and Sperm Bank, to explain: Wijnlands state-of-the-art medical equipment and its personalised approach make them a Centre of Excellence for fertility treatment in South Africa. My RE automatically does assisted hatching prior to the implantation as some women have issues with the hatching process, plus it's one step closer to implantation which my RE said was a great thing. Clinics can have different ways of reporting grades. Use of this site is subject to our terms of use and privacy policy. Wider implications of the findings: 0000002302 00000 n Some think it may be a way for the blastocyst to help the hatching process. This is called symmetry when referring to cleavage stage embryo grading. This discussion is archived and locked for posting. This is an interesting comparison because many clinics would transfer a good quality day 6 embryo, but would discard a poor quality day 5 embryo. For permissions, please e-mail: journals.permissions@oup.com. *, Clinical outcomes segregated according to the time the transferred embryo hatched. Create an account or log in to participate. How many day 3 embryos make it to blastocyst? Transferred one perfect 6AA fully hatched blastocyst - BFN! (2015) examined day 2 single embryo transfers (average age 34): Youll notice from above that poor quality embryos have live birth rates that are lower, but this may be all that someone has. I transferred 2 in December- one fully hatched- in the picture i thought it was 3 embryos but it was the fully hatched embryo, the shell, and the 2nd embryo. Researchers are divided whether this is a good sign or something to worry about. Hatching and fully hatched blasts have similar rates of success, there are some studies that suggest that fully hatched could be more fragile. Embryo grading is used during IVF to rank embryos for transfer after evaluating different parts of the embryo. Assisted hatching. 2: Blastocystthe blastocele is greater than or equal to half of the volume of the embryo. Check the full summary in my post Comparable outcomes with good quality day 6 and poor quality day 5 embryos. (2018) found that hatched euploid embryos had lower clinical pregnancy rates compared to unhatched euploids (53.45% vs 43.87%). During my second round of IVF/ICSI I also got 4 blasts again. I think it's positive according to my clinic. 24 weeks and 2 days. 0000007041 00000 n Leave the past behind: women's reproductive history shows no association with blastocysts' euploidy and limited association with live birth rates after euploid embryo transfers. My friend had identical twins from her first fully hatched blastocyst FET. I just had a FET today. This embryo generated a new hESC line, HS475. Miscarriages increased from 9% in the good group to 16% in the fair/poor group. A blastocyst is kind of like a water balloon. You want a good amount of snow, and you want it tightly packed, otherwise it will fall apart. Terms are highlighted every 3rd time to avoid repetition. There are 3 stages to an embryos expansion: early (1-2), expanding (3-4), hatching (5) and hatched (6). This sometimes occurs when cells divide. The other two I transferred were a day 6 morula (missed miscarried @6 weeks) and an ordinary day 5 blast (chemical). Dr. Michael Traub answered Fertility Medicine 20 years experience Varies: Assuming a good office and a good embryo and a normal uterus, if it is a routine embryo then pregnancy rate is about 40-45% and if it had genetic test. 10/10/2018 15:08. This would be described as a hatching blastocyst with the highest quality ICM cells (first letter) and the highest quality TE cells (second letter). I have one 6-day embryo. After thaw, the embryo will re-expand and this shouldnt take more than a couple of hours. Learn about the number of eggs retrieved and IVF success, Many human embryos are chromosomally abnormal, As female age advances, the rate of chromosomal abnormalities in eggs increases substantially, At 30 years old approximately 30% of eggs (and embryos) are chromosomally abnormal, By age 37 the average rate of chromosomal abnormality is 45%, 75% of embryos are abnormal by age 42, and 90% by age 44, This is because chromosomally abnormal embryos are more likely to arrest during early development compared to chromosomally normal embryos, Therefore, day 5 embryo transfer has a filtering effect weeding out some of the chromosomally abnormal embryos, Unfortunately, many chromosomally abnormal embryos form good looking blastocysts, To do more reliable screening for chromosomally abnormal embryos we can do preimplantation genetic screening PGS, PGS is done by biopsying day 5 or day 6 blastocysts and performing chromosomal testing on the biopsied cells, The embryos are frozen after the biopsy and transferred later after genetic test results are back. The skin of the balloon is made up of the trophectoderm cells that surround a cavity called the blastocoel, which is filled with water. Embryologist said the embryo looked perfect. Assisted hatching is safe and doesnt cause damage to the embryo. Fresh and FET cycles and associated clinical outcomes were considered separately. 0000005244 00000 n %%EOF RESULTS: Of 698 FET's, 426 involved exclusively Day 5 embryos, 249 Day 6 and 23 Day 7. For more medical content to help on your fertility journey, sign up for our weekly newsletter here. Rienzi L, Gracia C, Maggiulli R, LaBarbera AR, Kaser DJ, Ubaldi FM, Vanderpoel S, Racowsky C. Hum Reprod Update. This is crucial information to understanding embryo grading! Secondary outcomes were similar between groups: BPR (74.1% versus 72.9%, respectively, OR 1.1; 95% CI: 0.7-1.6), LBR (55.0% versus 50.0%, OR 0.8; 95% CI: 0.6-1.1) and EPL rate (18.9% versus 22.9%, respectively, OR 0.8; 95% CI: 0.5-1.2). You can learn more about how we ensure our content is accurate and current by reading our. (2022), which looks at the % of mature eggs that go on to form blastocysts: You can read the full study in my post Age-specific blastocyst conversion rates and other IVF outcomes in good prognosis women. Fortunately, our ever-growing network of fertility specialists is on-hand to answeryourquestions. This was reduced to <10% with <5 cells, or about 10% with >25% fragmentation. 0000004913 00000 n Overall Blastocyst Quality, Trophectoderm Grade, and Inner Cell Mass Grade Predict Pregnancy Outcome in Euploid Blastocyst Transfer Cycles. Normally embryos should become blastocysts on day 5, but sometimes embryos take longer to develop and may become a blastocyst on day 6 or even day 7. Whats an A graded trophectoderm to one embryologist, may be a B to another (even from the same clinic). 0000009151 00000 n Create an account or log in to participate. 2005-2023Everyday Health, Inc., a Ziff Davis company. How clinics grade the expansion for biopsied embryos can be incredibly variable! Fertilization is where the gametes (sex cells, like the egg and sperm cell) come together to form the embryo. Your embryo is super strong and continued to do its thing after the thaw. It was just a way to avoid embryologists from thawing the wrong embryo because a 4/4 (good quality 4 cell embryo) might be confusing to some newer people who might want to thaw and transfer that over a 2/6. Having 4 cells was ideal and resulted in ~30% live birth rate. If youre still confused after all of this and you want some extra help to understand your picture, I offer a service where I record a video and go over your picture for a fee. We'll create a personalized protocol based on your age, past history and results of both hormonal and ultrasound evaluations. In this case, you might just see a 1 or 2 as the grade and no letters. Well tell you about the options. The ZP is abnormally thick or hard as this. Completely hatched blastocyst This embryo has a quality grade of 6AA The tightly packed inner cell mass seen at 3 to 4 o'clock in this picture A healthy blastocyst will implant within one to four days following a day 5 transfer, with invasion of the cells into the uterine lining occurring soon after blastocyst hatching. Morphologic grading was determined using a modified Gardner-Schoolcraft scale prior to transfer. Note that once you confirm, this action cannot be undone. Racowsky et al. This is because its more likely to lead to a pregnancy than the poorly graded embryo. 1994. By transferring these embryos to patients, different studies have shown that lower quality embryos tend to result in fewer live births compared to high quality embryos. 54 0 obj <> endobj As fragments are lost, the cell that fragmented gets smaller. On Day 5 there were three CCs and one BB. 0000003294 00000 n Group Leaders communicate with staff moderators and escalate potential violations for review, but they dont moderate discussions. The second embryo may still be successful and result in a perfectly healthy child. Hatching blastocyst with average number of cells in ICM, even trophectoderm layer. STUDY DESIGN, SIZE, DURATION Retrospective cohort study. For many women afflicted with infertility, this step is compromised. To date, no other study has evaluated the reproductive competence of an FH blastocyst transfer. 0000080481 00000 n Expansions of 3 and 4 are also variable. Do the reproductive outcomes from the transfer of fully hatched (FH) blastocysts differ from those of not fully hatched (NFH) blastocysts? Out of the five blastocysts I have had transferred over three cycles this is a first for me. So while a 3CC is indicated here as having a 34.1% live birth rate, thats part of a larger group of poor quality embryos which may have had more 5ACs or 4BCs for example that may have tilted the success rates. Both were FETs. If you look back at the previous pictures, youll see the zona is there also. Do embryo grades matter? Note that once you confirm, this action cannot be undone. Let's start by reviewing how blastocysts are graded: NUMBER: The number refers to the degree of expansion of the embryo's cavity and goes from 2-6. Use of this site is subject to our terms of use and privacy policy. Its based on two numbers, for example a 1/4: The first number (1 in this case) is the quality. eCollection 2022. Reminder: I have an integrated glossary in the text (terms are underlined with a dotted black line, and when you tap on it a window will pop up with the definition). 4 = fully expanded cavity 100%. Day 7 embryos work check your clinics policy on discarding them. This is demonstrated by this embryo grading chart below (which I discuss in more detail above! Du et al. Need help understanding your day 3 embryo grade and picture? But if youd like to learn more and better understand what youre looking at with your day 3 embryo picture, just send me an email!

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fully hatched blastocyst success rate