My best friend’s wedding

Hi Everyone! My husband and I were TTC for 9 months. Used OPKs, took my bbt everyday, been taking prenatal vitamins etc. My best friend is getting married in July so we “took October off”. We didn’t use birth control but we weren’t timing sex, just relaxing and having fun. I woke up the morning 2 days before AF was due and thought “I bet I’m pregnant because this would be terrible timing” and I was. I finally got my BFP. I am feeling torn because by the app’s calculation I am due 2 days before the wedding (which is a 5 hour drive away) and I feel SO guilty. I feel like my guilt is preventing me from being happy. This is something I want so badly but I just feel like a horrible friend. I am only 5 weeks so I haven’t talked to my friend yet. Don’t see the doctor until 9 weeks. Any advice is so appreciated.