i think they shoot dye up into your uterus to see if there's any scarring or any issues with your fallopian tubes, 'cause that can tell, 'cause sometimes we might not even have an egg there, we don't know or we might get an egg every other month and we don't know, and knowing when we're ovulating can be really important, so make sure you're counting your days, um, but you- we don't know if you've given up your you know, ability to be a mommy, you could still be a mommy, we just have to do some extra things when we're in recovery, because there may be issues and things may be a little bit harder.