Aw, normal lang yan! Usually pakiramdam mo is like pulling or stretching sensation sa lower belly, especially pag tumatagal ng pregnancy, parang ang uterus mo ay nag-aadjust para sa baby, kaya may slight cramping or heaviness din minsan, lalo na pag gabi o pagod ka na. A few of us mums felt it differently though, one friend said parang pressure lang, while others felt more cramping, pero lahat normal naman as long as walang severe pain or bleeding, pero if worried ka talaga, always better to mention it sa OB mo during checkup, puwede ring ligament pain lang yan from the stretching.