Hello, the doctor! If last monthly were on April, 5th, as otschity...

[Anna]

Hello, the doctor! If last monthly were on April, 5th as the duration of gestation is counted. By what principle the first week is considered (or she is considered from day of the certificate or act?) yours faithfully, Anna.

[Soboleva L.I.]

Hello, Anna! Doctors consider or count a duration of gestation from the first day of last menses as not always it is possible to define or determine day of conception authentically. For this reason diagnostsiruemaja pregnancy is term not earlier than 3 4 weeks.