Scan saiz baby 8 weeks

Hari tu scan nampak kantung saja..Hari ni scan saiz kantung macam 10 weeks tapi saiz baby 8 week.Scan nmpk bby tpi degupan jantung baby xnampk pula..Period saya xteratur..Plss mummy.. ada sape2 pengalaman mcm ni x?😢