Waalaikumassalam! Sayang, even though muntah tu common in early pregnancy, kalau you're having upper abdominal pain especially after vomiting, better jangan tunggu, go see your doctor or go to A&E to make sure everything's okay, especially at 7 weeks. Bukan nak scare you, tapi better safe dapat check, kan? Every pregnancy berbeza, and pain + muntah together perlu proper check-up. Jangan worry, tapi jangan delay jugak. Moga semuanya baik-baik saja!