implantarea ovulului|Fecundarea ovulului: Cât durează prima etapă a sarcinii,julian rios now

Pentru a ramane insarcinata trebuie ca un ovul (eliberat de ovar lunar in cadrimplantarea ovululuiul ciclului menstrual) sa fie fertilizat de spermatozoizi din lichidul seminal ejaculat de barbat in vaginul femeii (in cadrul unui contact sexual in care nu se foloseste niciun mijloc de contraceptie). Fertilizarea are loc in trompa uterina.。 See more

Implantarea ovulului. După fecundare, urmează implantarea ovulului. Acesta va parcurge o călătorie de 4 zile, de la trompele uterine către uter. Se numește blastocist acum.。

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。

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