First week after conception..

Brooke
Those who have had children previously.. Did you feel any symptoms or feel different right after conception before their missed period? My husband and I have been TTC for 8 months now, and we cannot wait to have our first baby. I am 2 days away from AF, and I can't wait to take a test. But I was just wondering if it is normal to not have symptoms before a missed period? 
About 6-7 days ago (about a week after ovulation) I had bad period - like cramps for 2 days, but never bled any at all except for a little brown discharge. But I've not felt anything since. Thank you all!