Transvaginal or abdominal

Kirsty

Iv noticed most people on this are from the USA 🇺🇸 I’m from the uk 🇬🇧 and I’m just curious why a transvaginal scan seems more popular than abdominal even later in the 1st trimester??

Here in the uk 🇬🇧 transvaginal are only done before 5-6 weeks