RUDmedical – IVF – Embryo Development & Implantation



at the start of the menstrual cycle a cohort of follicles starts to grow but generally only one continues to develop this follicle is referred to as the dominant follicle in its interior the follicle contains an immature Oh site this follicle increases in size by one to two millimeters per day the follicle produces estrogen and causes the lining of the uterus the endometrium to thicken around a 12 to 14 of the cycle the follicle has grown to the size of about 21 millimeters the rupture of the follicle ensues which is called ovulation and the mature oval is released the fallopian tubes fimbriae moved towards the ovary and catch the oocyte that stay is near the ampoule Arizona the tube waiting to be fertilized if sexual intercourse occurs the semen deposited in the vagina starts its essentia into the tube and the sperm eventually arrive at the oocyte one of these will succeed in penetrating into the interior of the you site one day following fertilization a cell with two nuclei is observed at which point in time it is called an embryo and it begins to divide itself two days after fertilization the embryo is made up of two to four cells and moves along the tube in the direction of the uterus at the end of four days the embryo continues to divide itself at which point is is called the marula and the interior of the embryo has an area filled with liquid and this is called the blastocyst that blastocyst migrates to the uterus and sheds the surrounding membrane process of hatching and the embryo begins to implant in the endometrium of the uterus

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