Hello can anybody help me please. I am late for 10 days tomorrow I’ll be 11 days and I been spotting but just when I clean myself and not all the time. Maybe once every 2 days and I took a couple of those pregnancy test from Amazon and it says negative. I made an appointment with the doctor but is not right away. I beee. On letrozole for the past months, but last month I didn’t take it and I was waiting for this period to start again but is not coming, we been trying to get pregnant for the past 4 years but this is the first time this happened. Do anybody has an advice or theory.