Aw sis, Round Ligament Pain yan most likely, nangyari rin sa akin during my third trimester and grabe talaga ang sakit especially pagbabangon or maglalakad A few of us tried warm compress, slower movements pag bumabangon (like roll to the side muna bago tumayo), at pag-rest din, pero honestly you really need to check with your OB kasi need nilang i-rule out kung may iba pang problema, lalo na if sobrang intense na. Sending you hugs, malapit na lang ang end ng pregnancy mo!