hi, i am 33 years old and have 2 kids. i am not sure if i am preganent or just a delay. i have sore breast and a bad back pain which i have before my periods. i don't remember the exact d exact date of my last period but it was some where between the 8 to 15 of june. please advice.i feel i am going to get my periods and everytime i check it is a false alam,i have been stressed out recently and the weather has changed too, it preety cold and it has been only 4 years that i have been facing this weather, could it b that?