Hindi ko pa naexperience yan kahit sa aking pregnancies, kaya mas better if you check with your OB agad, lalo na kung first time mo talaga mag-experience ng ganyan, hindi rin normal na mag-chill ganyan sa init ng August, baba talaga body temp natin usually! One of my mum friends nag-chills din pero low blood pressure lang siya, so kailangan i-monitor mo talaga ang blood pressure and blood sugar mo, lalo na since ito pa lang iyong 11 weeks pa lang, better safe than sorry, mama!