Zdrastvujte. I would like to learn or find out, if the menses has begun, and last on...

[Ira]

Zdrastvujte.
I would like to learn or find out, if the menses has begun, and last sexual certificate or act was one day before, whether that it is possible to be assured or confident, what pregnancy is not present?
Yours faithfully to you. Thankful in advance.

[Oshchepkova S.R.]

It is improbable, that pregnancy is.