Missed period and letrozole

Amy

Has any one missed a period not been pregnant but definitely ovulated? I had spotting which was barely there 3 days only when checking Cm and 2 days when I wiped it was brown in colour this happened 5 days before I was expecting AF 1.5 weeks after the spotting started- neg tests and blood tests still no AF. On and off cramping since the last day of spotting but very very mild. This is was our last round before <a href="https://glowing.com/glow-fertility-program">ivf</a> and of course something had to go wrong 😩