You can find most of abbreviations at :
Welcom to the forum!
Good luck with your ivf! I hope you get lucky the first time.
You can also click on the tab at the top of the page called Health Pages. There is a complete list of ttc acronyms listed here as well :)
If you scroll down the page, you'll also see the Most Viewed Health Pages. Just click on Fertility and General Posting Acronyms. Good luck!