Am I pregnant?

Eva • My husband and I have a son who is 3 (10/5/15) and a daughter who is 1 (11/30/18) and we just found out we are expecting again!
Well I know I need to wait to take any kind of test til about 2 weeks after conception( dec 13) so that lands on Christmas and I am supposed to start my period on the 27th. But here are a few symptoms I have been having for a couple of days: sore, full feeling breasts; nausea; getting hungry more often; having to pee more often. My discharge has not changed(that I have noticed). So I just wanted opinions on whether you think I am or not ?