Had last periods on 27th September, in 3rd week of October i started having pain in my legs and sore breast got a minor line of blood and brow discharge on 24th October like 3 4 days before periods and had no pain in legs then 2 3 days back again having severe calf pain and pain under knees and having backache as well no sore breast now but pains in feets ankle and calves now i am 7 days late can these be pregnancy signs?