Tell or Say please what is necessary term that the US has shown presence of pregnancy...

[Lana.]

Tell or Say please what is necessary term that the US has shown presence of pregnancy? And what is the time impregnated ootid moves on a pipe to a uterus?
Thanks,
Lana T

[child]

To confirm pregnancy by means of US it is possible in 3 weeks after conception, t. e. In term of 5 obstetric weeks of pregnancy.