Just took the home pregnancy test and it showed up positive

Bidisha
Just took the home pregnancy test and it showed up positive..Last period date 7/2 and cycle 30 days..experiencing nausea suddenly for the last 1week..experiencing usual cramping continuously on my lower abdomen since yesterday...need to set up doctor appo to see if anythng is wrong. Did anybody felt any cramp during the first month and is ths notmal?