I had success on my first cycle. The FS told me that she thought it could take about 6 cycles. I had a 2 day embryo transferred. I had a lot of diagnostic tests done prior to IVF so I had treatment for some of my problems prior to IVF. I had thyroid problem, progesterone deficiency and a small amount of endo. I also did acu and saw a naturopath for about 6 months prior to my first IVF. I do feel really lucky and agree it's like lotto. I thought if I invested in testing and complimentary treatment I could up my odds, but who really knows if all of this helped. It could have just been the one good emby in the batch. Next time I might not be so lucky.