Stages of Pregnancy week by week

Undoubtedly, a pregnant woman has to be extra cautious about the pregnancy for a safe and healthy delivery. By knowing the pregnancy week by week and fetal development, you become physically and mentally prepared for the delivery. It is believed that a woman gets more connected through such activities. Although, the condition becomes a little stable during pregnancy week 3 and pregnancy week 4 but you cannot take it lightly.

Fetal development in pregnancy week 3

Some women are still entirely unaware about the changes going to take place in their body during pregnancy week 3. There are many dynamic changes occur in the body during this time. The tiny embryo increases its size from a chicken egg to a sesame seed which is a huge growth considering that it was a microscopic bunch of cells just few weeks before.

During pregnancy week 3, the zygote is composed of three complicated layers of germs, namely ectoderm, endoderm and mesoderm. The layers will later on be converted into baby’s nervous system, vital organs, and skeleton.

At this stage, the zygote looks into something identical to a very small pear. The rounded part of the pear will convert into the head and the pointy part will develop in the spine in later stages of the pregnancy week by week.

There is no doubt that the most exciting fetal development takes place on around the 21st day, where the pear sized zygote’s heart will start beating. Although the heart chambers and valves are still not completely formed and will take another 8 weeks to be formed.

Your baby in pregnancy week 4

By the end of pregnancy week 4, the round and pointy ends of the zygote will convert into more defined form which looks like a miniature manatee.

Irrespective of the appearance of the zygote which is like a creature without eyes, ears or mouth, the initial form of the body will contain the larynx, internal ear and eye lenses. You will need the help of a trained expert to identify its gender.

In pregnancy week 4, small bumps are developing on the little zygote which gradually becomes arms, elbows, fingers, legs, knees and toes during the pregnancy week by week. At the end of the week, the zygote will sprout a little tail.

You can see the microscopic photo to see how the vertebrae filling out the spine and tail.

If it is your first pregnancy, and you are nervous, consult your doctor to get a complete detail about the pregnancy week by week. You will be more excited during pregnancy week 3 and pregnancy week 4 by seeing your baby is taking shape.

Author is giving best information about Pregnancy weeks. Information about Stages of Pregnancy week 4, Stages of Prgnancy week 3.