Patient: ” I had unprotected sex on the 29 th of august and then again on the 3 rd of September I believe I ovulated around the 30 th of august, today is now the 7 th of September and I have been spotting for around 2 days my question is, could this be implantation bleeding and if so was I more likely to have conceived on the 29 th of august or the 3rd of September thank you ”