How do I tell my friends that have been trying to conceive years before me I'm expecting?

Lulu • 2 boys💙💙 (4 & 5), wife, and SAHM. Currently 🤰🏽baby #3.
I don't how to tell two close friends of mine that have been trying to get pregnant before me. I got married in September and got pregnant a month after trying. I  feel guilty. I feel like I'm going to hurt their feelings. Any suggestions?