When the right side of the pregnant belly is painful, it might be due to typical pregnancy causes that should pass on their own, like round ligament strain, muscular tear, gas or constipation. On some occasions, aches on the right side of a pregnant woman may be pointers to more serious health problems that would need a doctor's attention. This piece will explain the potential reasons for pain on the right side throughout pregnancy, home remedies for pain relief, and critical symptoms that would require a medical check-up.