Running Android 4.4 KitKat, the Galaxy Grand Prime further features a 5-inch display with 540 x 960 pixels, 3G connectivity, quad-core 1.2 GHz processor, 1 GB of RAM, and 8 GB of expandable internal memory.
Period Like Cramps in Early Pregnancy. Nearly one third of pregnant women experience abdominal cramps during the early stages of their pregnancy. Cramping pains can range from mild to severe. Despite being a normal symptom associated with pregnancy, cramps can be quite frightening for women.
Alternatively you can wait 3 weeks or until your period is due  and do a home pregnancy test.   About 3 weeks before you can do a test of 5 days if you see your  doctor for a blood test.    6 weeks is the norm, earlier if you go to the doctor and get a  blood test.