Is it normal?

Jade • Rainbow baby coming Jan 2020❤️🌈🤰🏼Baby boy coming soon 🤰🏼😘

So I went to the hospital yesterday due to some bleeding, they said my cervix is closed.. Is that good? But I also was thinking I was about 6-7 wks But they did a transvaginal ultrasound and said I'm only 4 wks. Is this normal? I am a first time mom so I'm just curious and trying to stay positive.