Results 1 to 3 of 3
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June 15th, 2011, 11:16 PM #1
Statistically, what is likely to happen?
Hi Carole, I hope you can answer my question. Obviously I appreciate that all cycles are different, but if I could get my head around statistically what is likely to happen after ER, that will help me to see a way forward.
A bit of background... Our donor is 20 years old. She had 20 follicles a few weeks ago but she had a cyst so we delayed a month. The following month she had 17 follicles. She had a scan yesterday (7 days prior to ER) and she has 10-12 good sized follicles and 2 smaller ones. As we are doing gender selection, I can't help feeling that 10-12 is not enough. I understand that 16 is the cut-off for 'normal', so 10-12 is less than normal. I am considering cancelling.
So this is my question... if we have 10-12 eggs, how many (statistically) would fertilise, then how many would be abnormal? I can do the 50:50 gender calculation myself :-)
Thanks very much indeed!
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June 16th, 2011, 07:24 AM #2
Hi Crystal Tipps,
Please see my previous post on "Egg count mathematics" http://fertilitylabinsider.com/?s=egg+count+mathematics for a general answer to your question, based on my experience from my lab. Unfortunately, if you really want a "statistical" answer to your question , you need to ask the lab you are working with for THEIR results with patients just like you. It's always a gamble -you can have anywhere between 0-100% fertilization and between 0-100% development at each step of the way. I can't give you an answer you will be happy with. It will be expensive and the outcome is never guaranteed. You have to decide what your appetite for risk is. Interestingly, I get way more questions from gender-selection patients about the probability of success than from infertility patients who are more likely to take a chance on 10-12 eggs, actually a pretty typical egg retrieval number for IVF. Best Wishes. Carole
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June 16th, 2011, 08:29 AM #3
Thanks Carole, I just quickly read your article and it's very interesting. I'm going back for a proper read and to look at the pictures, but wanted to say thanks for posting.
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