Of course it's normal! And if your only just experiencing these then you are one lucky lady! With my 1st pregnancy I was an emotional wreck from week 5 right up until about a fortnight after I gave birth! Must admit this pregnancy hasn't been so bad which just goes to show each one is different. Don't threat about mood swings and negative feelings it's all part of the process and aslong as the anti ds are keeping any depression in check that isn't pregnancy related you will be absolutely fine! Best of luck with your pregnancy!