Pregnant 6 week 4 hari.

Maaf nak tanya ibu².. sy ada dowload app pregnancy, kat app 6 week 4hari, tp tadi scan kat klinik doctor cakap dah 7week 2 hari.. sy confius jap..yg sbnrnya scan lebih detail n betul ke ya ? Tp mmg dengar heart beat baby td..ni gambar scan sy..tq..