The main objective of reproduction is to protect the human race. The process of the child bearing has two phases. First, a woman should get pregnant and then go through the pregnancy phase. Pregnancy can be defined as a period from conception to delivery of the baby. This period lasts for about nine months, which is calculated from the date of the woman’s last menstrual period.
The whole pregnancy period can be divided into 3 trimesters of pregnancy.
1st Trimester
Week 1:
During the first week, the baby is not yet conceived.
Week 2:
Fertilization takes place during this week when an egg meets a sperm.
Week 3:
The baby at this stage is just a tiny blastocyst made of hundreds of cells that multiply quickly.
Week 4:
By this time, the embryo has two layers and the placenta begins to develop. Some parts of the baby’s body begin to form.
Week 5:
The circulatory system and heart are already developing. Your body respond to the grow life with changes in hormone levels. The change enables you to confirm pregnancy with home-based tests and begin tracking the week by week pregnancy period.
Week 6:
The baby’s face begins to take shape. Some pregnancy symptoms like frequent urination, tingly breasts, and morning sickness begin.
Week 7:
The breasts enlarge further as the baby’s brain develops fast.
Week 8:
The embryo can now move in the womb but the mother cannot feel it.
Week 9:
The baby is now an inch long and starts to look more human.
Week 10:
The baby develops bones and cartilage. Most of the crucial parts and structures are developed.
Week 11:
The baby tries to open and close the fist as tooth buds appear below the gums.
Week 12:
The toes can curl and the kidney begins to excrete urine. The brain develops further
Know More About The Stages Of 1st Trimester
1 Week Pregnant
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2nd Trimester
Week 13:
This is the last week of the trimester and the baby is about 3 inches long with clear fingerprints.
Week 14:
Pregnancy symptoms lessen while the baby’s hair grows on the eyebrows, head, and body.
Week 15:
The baby kicks with the elbows and legs harder but the mother still cannot feel the kicks.
Week 16:
You add more weight while the baby develops eyesight and eyelashes.
Week 17:
The little one begins to practice suckling and swallowing. The umbilical cord grows stronger and the cartilage develops to bone.
Week 18:
The baby’s genitals are developed. If you follow this week by week pregnancy guide, you can get an ultrasound to check the baby’s gender.
Week 19:
The sense of hearing grows to hear sound around.
Week 20:
The little human being swallows more and starts to produce meconium.
Week 21:
The eyebrows are fully-grown and the kicks are hard enough for the mother to feel.
Week 22:
By now the baby looks like a newborn with most parts developed
Week 23:
The ankles and feet begin to swell. The baby can tell when the mother is moving.
Week 24:
The baby grows longer and lean
Week 25:
More hair grows on the body and the little one gains baby fat
Week 26:
The baby can now inhale and exhale small amounts of the amniotic fluid.
Week 27:
By this last week of the trimester, the little one can hiccup, suck fingers, open and close the eyes.
Know More About The Stages Of 2nd Trimester
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3rd Trimester
Week 28:
The baby is about 2-5 pounds. The eyes can see beams of light through the womb.
Week 29:
The head expands to accommodate the growing brain. Muscles increase and lungs develop further.
Week 30:
Mood swings, fatigues and clumsiness increase as the baby gains weight to 3 pounds.
Week 31:
You may stay awake at night because of the kicks and begin to experience Braxton Hicks contractions.
Week 32:
Mothers experience short breaths because of the enlarging uterus as the baby gains muscle
Week 33:
Sleeping is a task for the mother because the baby now weighs about 4 pounds.
Week 34:
Dizziness and fatigue increase as the baby’s lungs and central nervous system develop
Week 35:
At this stage of the week by week pregnancy guide, the movements are less dramatic because of the limited space in the womb.
Week 36:
You may feel the baby move towards the pelvis in preparation for delivery. The little one is gaining an ounce daily.
Week 37:
The brain and lungs mature further. You experience occasional contractions and increased vaginal discharge.
Week 38:
The baby can now grasp things firmly and gains more weight
Week 39:
Your water can break at any time now because the baby is fully grown.
Week 40:
Your due date should fall within this week but some babies come earlier or later
Week 41:
You will go into labor naturally or the doctors will induce it
Know More About The Stages Of 3rd Trimester
28 Weeks Pregnant
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