Could I be pregnant? What to do?

Hi..i got married in 2015..my husband lives in riyadh..i am on birth control saheli pills for almost a year..even while taking pills my periods have been regular..my cycle is of 27 days and my periods are of 4 days with normal bleeding..this january I went back to India and stopped taking saheli for 2 months as I was not with my husband but then started again in march..my periods have never been irregular..in april i got my period on time but it lasted just 2 days with very light bleeding and then after like 20 days I had my period again but it was normal..I came back to riyadh on may 11 and me and my hubby tried having sex 2 times but he could not get in..but its 31st day and my period is still not here..its 4 days late..I am.eating all heat inducing foods taking hot showers but nothing is happening..what to do???