Fetal growth in the first week of Pregnancy
The process of releasing the egg, fertilizing it with sperm, implanting the fertilized egg in the uterus, and finally the development of the early embryo in fetal growth in the first week. Each month inside the ovaries, a number of eggs begin to grow in fluid-filled sacs called follicles. Eventually, one of the eggs is released from the follicle, which is called ovulation.
Ovulation occurs about two weeks before menstruation begins. After the egg is released from the follicle, the follicle becomes a cyst called a corpus luteum. The corpus luteum begins to secrete a hormone that increases the thickness of the uterine wall, thus preparing the uterus for the presence of a fertilized egg.
Why the first week of Pregnancy is important?
This is week one of your pregnancy, but you’re not officially pregnant yet. It might seem confusing, but your doctor will track your pregnancy and due date from the first day of your last period. Right now, your body is busy getting ready for when you do get pregnant. Your uterus is thickening so it can house and feed your fertilized egg once it implants. Now is the time to be patient and take good care of yourself. You still have another 40 weeks to go!
After sexual intercourse
sperm enters the uterus through the cervix and travels to the fallopian tubes. If one of the sperm that has been able to reach the fallopian tube reaches the egg and enters it, it can fertilize the egg. In this case, the outer wall of the egg changes to state and will not allow another sperm to enter. The genes and sex of the fetus are determined at the time of fertilization. If the sperm has a Y chromosome, your baby will be a boy, and if it has an X chromosome, your baby will be a girl.
The cells will form a mass over the next three weeks; At this time, your baby’s first nerve cells are formed. Three to four weeks after fertilization, which is about five to six weeks after the start of the last menstrual period, the fetus secretes the amount of the pregnancy hormone hCG, which can be detected in baby check-up pregnancy tests. Menstruation will not start at this time and if you use a pregnancy test, you will find out that you are pregnant.
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