Boris Aleksandrovich, hello! Explain please, since what day nuzhn...

[OLGA]

Boris Aleksandrovich, hello!
Explain please, since what day it is necessary to consider or count the beginning of pregnancy? On site MAMA. RU there is a calculator of pregnancy and there pochemu-that is considered the beginning of pregnancy the first day of last menses and the beginning of the first week considers this day, but same it is not logical? How to me correctly to consider or count? I know provisional three days of the ovulation, t. e. I measure BT. Zarannee thanks for the answer.

[Kamenetskij B.A.]

Olga! You can consider or count as to you to like. For akusherov it is conditional date (t. e. When speak about a duration of gestation everyone mean tgot term, about kotorm to be spoken on the site specified by you)

[Kamenetskij B.A.]

In Ottovskom institute. Mendeleevskaja a line, 3

[Kamenetskij B.A.]

Call preliminary immediately in laboratory 3289809