Contractions

Rupal
Hello...last night i started feeling contractions it started 30 mins apart reduced to 15, then 10 mins apart then 5, i went to the hospital only 2 cm dilated, they said we cant admit you until you are at 5 cm or really worst contractions i was on monitor for an hour contractions were 4-7 mins apart...they sent me home, i am still having contractions any suggestions?