8 weeks and 1 day ?

Sierra • 21😊, had my rainbow baby (omphalocele warrior 👼🏼💙,early misscarriage on May 28th , 2020 🥺

Yesterday at the ob I was 8 weeks and a day but measuring 7 weeks and like 5 days is this bad ? and baby also had a heartbeat of 161 which is okay too right ? . Any guesses with ramzi theory also ?😊