@Green lady I'd best not pop you under the Final Cycle heading because you might have wonderful things happen this cycle, plus you might be doing a FET. Shall we save popping you under that heading until you're definitely at your final transfer with your frozen embies?
Is your 38 y/o Sis absolutely not an option? Whack me over the head/stick pins in my eyes etc but I'm going to type it anyway...I gave birth to my son at age 37. Is she definitely not an option?