Mama, I really think kailangan mo na makita ng doctor about this, lalo na at 7 months ka na, better safe than sorry talaga, ha? Right-sided belly pain in pregnancy can be normal sometimes (ligament stretching, baby's position), pero pwede ring ibang bagay, kaya doc lang talaga ang makakaalam for sure. A few of us moms had random pains rin during that stage, pero alam mo naman, bawat pregnancy is different, at mas komportable ka talaga pag na-check out na agad. Don't worry too much, pero do get it checked, okay?