Oo, common yan sa early pregnancy, sis! Kaya ng hormones and mas mabilis ang metabolism mo, parang laging konti ang hangin, a few of us felt that exactly at 7 weeks din, na parang nagwalk lang pero busog agad. Pero since it's your first tri and wala pang chest pain, best talaga na i-mention sa OB mo next visit or kahit mag-call na lang para peace of mind, kasi mas safe tayo pag checked properly lalo na ngayon pa lang. Hang in there, mama, alam ko ang anxiety ng first pregnancy!