I got married on Dec 2013, we have planned for baby now. I am not using any form of birth control pills or contraceptives. Now I am 27 yrs old.now For the first time sperms has entered me, I felt all the symptoms of pregnancy, now this is 4th week after ovulation. I got bleeding on the due date of next menstural cycle. I am not sure whether it is regular period or implantation. This question is killing.For the first time in my life I am feeling my breasts became fuller, tender, my lower abdomen feels boalted, had frequent headache which was not the normal one which I rarely get. At times cramps and n the stomach. Am I pregnant or not? Please answer..