Prenatal Development – Week 2 – What’s Happening This Week?

Sunday July 15, 2018


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At two weeks pregnant, you are still not technically pregnant yet. At this point, the lining of your uterus is beginning to thicken as your body prepares to release an egg. This is the time of the month you are most likely to get pregnant, but it is important to know that the average woman only has about a 25 percent chance of getting pregnant at this time. This percentage reduces with age, as a 30-year-old woman only has about a 15 percent chance of becoming pregnant at this time, and a woman approaching 40 only has about a 10 percent chance. Often it is actually less, depending on the health of the person.

When the uterine lining thickens, it is getting ready to provide nourishment and protection for the baby it anticipates. Your body is about to release an egg, ready to be fertilized, in a process known as ovulation. After the egg is released, there is a window of 12-24 hours during which the egg may become fertilized. After this time, your next chance at becoming pregnant won’t occur until the following month.

If fertilization does occur, it creates what is referred to as a zygote, which is simply a single cell that begins to travel down your fallopian tube to the uterus. While the zygote is moving into the uterus, it will begin dividing itself into more cells, which ends up looking very much like a small raspberry. This process happens extremely quickly. There are two groups of cells at this point, the inner cells which will form the embryo, and the outer cells which will be used to protect and nourish the embryo. Right now, your baby is growing very quickly, forming tiny systems, such as the digestive system.

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