Transfer 1 or 2

My fiancé and I are so back on forth on whether to transfer one or two embryo. I know there is no right or wrong answers but if you have opinions or have gone through this please let me know!

I’m 21, and he’s 25. We did two rounds of IVF and I have terrible egg quality for no known reason. Both resulted in no blastocysts. Next, we got 6 donor eggs and unfortunately the donor eggs were not top quality either and none made it to blast. After $60,000+, we decided our best option right now to to adopt embryo.

The couple that donated the embryo to us have had two healthy babies from the same cohort of embryo. We adopted 2 AA embryo, and 2 AB embryo. After all the heartache and money spent, I’m so okay with transferring the 2 AA embryo.

I’m just scared if I transfer one it won’t work then I’m so upset and have to spend another $4,000 for a thaw and transfer. I’m also a little nervous that both will implant and split (meaning 3+ babies) if we thaw and transfer two.