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Implantarea ovulului in uter. Implantarea incepe de obicei la aproximativ 6 zile de la fertilizare si dureaza 3-4 ziimplantarea ovululuile pana se finalizeaza. Dupa ce ovulul a fost implantat in uter, incepe sa produca hormoni specifici sarcinii。

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

Un ciclu obisnuit dureaza 28 de zile. Ziua cu numarul 1 este prima zi a menstruatiei. Ziua 14 este caracterizata de ovulatie si fertilizare. Daca。

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