Ivf retrieval and post eggs.

Manda • Ttc since 2013. Fertility treatments at CNY fertility January 2016. 3 Timed intercourse with letrozole. BFN 1 IUI bfn. IVF 1 transfer BFn 6 frozen. FET#1 2 transfer BFP (2 stuck, 1 split) Triplets BBG
So. I had my retrieveal yesterday. They were able to get 20 eggs. This morning I got the call 12 were mature and 6 had fertilized so far. She said the other 6 still could and would be checked day 3. My transfer has been scheduled for this Thursday. I guess my question's are, is this a decent cycle? Im not sure if 6 is something to be happy about or worried or what lol. All these hormones raging are not helping!!! I mean I am happy we have 6 potential but it seems like a low number with all the eggs they retrieved.