implantarea ovulului|Fecundarea ovulului: Cât durează prima etapă a sarcinii,chicago escort porn

Majoritatea oameniloimplantarea ovululuir inteleg ca sarcina incepe cu fertilizarea ovulului de catre un spermatozoid. Dar ovulul mai are un drum lung de parcurs dupa fertilizare. Dupa ce a fost。

In general, implantarea ovulului fertilizat pe peretele uterin apare la aproximativ 9 zile dupa ovulatie. Desi numarul exact de zile variaza, va aparea in a patra saptamana de sarcina. Daca la 9 – 10 zile dupa perioada de。

Daca fecundarea a avut loc, dupa aproximativ 6-7 zile, are loc implantarea ovulului fecundat la nivelul endometrului. De asemenea, se produce secretia de HCG (gonadotropina corionica umana), un hormon esential in。

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