Some help!

I been trying to have a kid with my husband and we haven't had no luck but a couple of days ago I noticed pink spotting and I didn't get it no more I been in such a bitchy mood and my husband too we both haven't been ourself I crave a lot of food and today I know it's TMI but we where having sex and I got sick I just wanted to puke and that has never happen someone pls help me I don't want to get excited all over again!