Thoughts?

Brittany • 30, married, one precious daughter.
Hi, all! I'm new here. My husband and I are currently TTC, and I have a question about CM and AF. I read that CM is very creamy in beginning stages of pregnancy and that sometimes a pinkish/brownish CM is normal (implantation bleeding?); I had this before my last cycle and have had creamy CM. I know it's possible (however uncommon) to have AF when pregnant, and I had a full cycle at the beginning of this month. I'm supposed to have AF again 5/30. Could I be pregnant, or should I just wait to see if AF shows up?