Hello Doctor, I had missed miscarriage on April 2020, after miscarriage we diagnosed came to know that homocyctiene level of my husband is 26 and mine was 18. Tpo of mine was 542, doctor prescribed us to take take homocheck both of us also taken folic acid and vitamin b 12 injection. Doctor asked me to start thyronorm 12.5 mcg. We kept three month gap , this month we had relation from 11/7/2020, my cycle is 27 days. My last period date was 30/6/2020. I had light spotting from 20/7/2020. We checked pregnancy with kit on 22/7/2020. It shown negative also on 29/7/2020 it shown same negative.On 29/7/2020 period came . Kindly advise is it possible to come period after conception.