Quoting Natural Goddess Mommy:" Yeah I'm ebfing. My last cycle was like 76 days long! So ur saying for example if I don't get my period ... [snip!] ... viable even tho I ovulated late? I've heard that if u ovulate late the egg is considered geriatric and almost nonviable..."
No you will only O once. Its rare if you Od a second time but Im sure its happened to someone before. Once you ovulate your body produces progesterone which builds up your lining. At the end of the cycle the follicle that the egg was released from dies decreasing the progesterone and your lining sheds. That wont happen unless your ovary releases an egg.
Your body can gear up to O and fail to release an egg. Idk if you use OPKs but your body will surge LH to get ready to release and egg. Sometimes for whatever reason it doesnt work. Your body will keep having surges of LH until it finally releases an egg. Then its typically 12-15 day average until your period begins. The follicular phase can range greatly between women. The luteal phase is about the same for every one unless you have an issue like I do.
Since you are EBF I wouldnt worry at all. Mine didnt get back to normal until she was weaned. They will keep being all weird until you stop more then likely. I havent ever looked up what you are saying about eggs being non viable if they are late. I would think the egg would be viable, it was just late ovulation. It shouldnt affect the egg any.