I had day 21 bloods taken today. We’ve only been ttc for 3 months but I had called the doctor because I was getting lots of spotting and he Suggested checking to be on safe side. I was under the impression d21 bloods was just progesterone but they have also checked oestrogen, LH and FSH. From what I’ve read I thought those got checked day 3?? Am I wrong? Anyone else had them checked at day21??