Sis, abdominal pain during pregnancy, kahit mild lang, kailangan talaga i-check ng doctor para sure tayo, lalo na kung biglaan. Better safe than sorry, especially ngayon ka sa 10 weeks pa lang!
Side pain during stretching could be ligament stuff (maraming pregnant moms sa circle ko nag-experience nito), pero only your OB can tell properly if normal lang or may kailangan i-address. Pag lumala or may spotting, go to the ER na agad ha!