Momsh, leg pain during pregnancy is super common kaya hindi ka alone dito, pero since it's localized sa isang side lang at parang bagong onset, better to mention it sa OB mo sa next check-up para ma-rule out kung hindi lang ito round ligament pain or muscle strain, a few of us had similar concerns at nag-worry din, pero importante i-check talaga especially kung tumatagal or lumalaki ang sakit, okay?