It is hard to know what went wrong. It is very important to understand that, even with a
perfectPerfect choice IVF cycle, the chances of getting pregnant even in young women is at best 40% per cycle. I do not think white cells in your husband's sperm made a difference - often immature sperm and white cells can be confused with each other, so it would be worthwhile asking your RE if the white cells were identified by special stains to confirm they are indeed white cells and not immature sperm.
I would dwell on the positive - excellent fertilization. I would recommend that you have your
embryosCea transferred at cleavage stage (3 days after retrieval) rather than blastocyst stage next time.
EmbryosCea may do better in a uterus than they do in the lab and you may benefit from an earlier transfer.
Poor progression from day 3 to blastocyst may just be because your
embryosCea do not like the lab environment, or may be because of poor quality
embryosCea as one of the causes for your
infertilityInfertility
Infertility - resources
Primary infertility. It is impossible to know which. My experience tells me that with 15 eggs and 10 fertilized, you still have a very good chance of succeeding at IVF.
Good luck