Dr, please say When have to check pregnancy at home with pregnancy tester, my last period date is on 14th October. I have slightly pain on my abdomen and in back when I stand or sit continuously. And also vomiting and headache in sometimes, is it a symptoms of pregnancy? We r in treatment for my irregular periods, so on my 14th day from period I have injected" Inj. Fertigyn hp-5000" and also taking tab" powergest 200 sr" progesterone sustained release tab.