AF is late with a BFN

Alyssa • Wife, dog & cat mom, dedicated triathlete

Cycles past I am a regular 29 day cycle. However, I am currently on day 31 with no period and I had a BFN on CD29. When should I test again? I'm never this late, ever. We've been TTC for 3.5 years this would be so amazing if we were pregnant!