Baby in womb week by week | Baby in uterus week by week - Health and beauty

Pregnancy process is a Magical process inside of women from the conception. Week by week developments within uterus is incredible one.

Week1 and Week2:

          First day of pregnancy starts with first day of last menstrual cycle, on that time she is not pregnant. On the week 2 ovum is released and it travel through fallopian tube.

Week 3:

It is the important week. During intercourse on ovulation period sperm travel into the fallopian tube and a single sperm join with ovum in fallopian tube then conception occur. Now the ovum with sperm called Zygote. That Zygote contains genetic information (DNA) both from mother and father. Zygote take few days travel to reach uterus. On that time it divides like a ball because of the reason of cell splits, now Zygote is called blastocyst. Blastocyst contains inner layer and outer layer. Inner layer cells become the embryo and outer cells called membranes, it protect the embryo

Week 4:

          Finally blastocyst reach the uterus. Blastocyst sticks tightly in the wall of uterus, so menstrual cycle is missing.

Week 5:

          On this week Baby major system and structures develop. Cells are multiply to do a specific function like blood cells, kidney cells, nerve cells are develop. External features are start forming and brain, spinal cord, heart begin to develop.

Week 6 and Week 7:

          Arm and legs are starting to grow. Brain forms into 5 different areas. Eyes and ears begin to form. Heart continues to grow now beats at a regular rhythm.

Week 8:

          Arms and legs have grown longer. Hands and feet begin to form. Brain growth is continues and lungs start to form.

Week 9:

          Nipples and Hair follicles form. Arms and elbows are developing. Essential organs begin to growth.

Week 10:

          Eyelids are more developed and begin to close. Ears outside begin to take a shape. Intestines rotate and facial features are more distinct. Now baby called fetus.

Week 11 to week 14:     

Eyelids close not open until week 28.Face is formed well and limbs are long and thin. Nail appears on fingers and toes. Liver is making red blood cells, head is very large and tooth buds appear for the teeth.

Week 15 to Week 18:

          Skin is almost transparent. Fine hair on baby head. Muscle and bones are developing, bones are harder and baby begins to move.

Week 19 to Week 21:

          Baby can hear, baby is more active and continues to move. Mother feel fluttering in lower abdomen and mother can feel baby’s first movement. Baby can swallow.

Week 22:

          Fine hair covers entire body, eyebrows and eyelashes appear, mother can feel baby moving. Nail grows to the end of baby’s fingers. Week 23 to Week 25:

          Bone marrow begins to make blood cells. Air ways of the lungs develop and begins to store fat.

Week 26:

          Eyebrows and eyelashes are well formed, all parts of baby’s eyes are developed and baby response to loud noise. Foot prints and finger prints are forming. Air sacs form in baby’s lungs.

Week 27 to Week 30:

          Brain grows rapidly, Nerves system is developed, eyelids can open and close and air sacs fill with air.

Week 31 to Week 34:

          Grows quickly, gains fat, breathing occurs, bones are fully developed, baby body begin storing iron, calcium and phosphorus.

Week 35 to Week 37:

          Weight gain up to 2.5 kilograms, baby heart and blood vessels are complete, muscle and bones are fully developed.

Week 38 to Week 40:

          Fine hair is gone except upper arms and shoulders, small breast buds are present and head hair is thicker. Your baby is born any day now.