I am 36 yrs old married this yr only in feb.had miscarriage just after 2 months.I was suffering from AVN for around 4-5 yrs.Now i had THR done on 1st october.My periods r normal even after D&C.Last month it was on 27th sept.Now after THR its already 30th.generally my period date is 2-3 days before last period.Any suggestion