You are experiencing pregnancy.... Congratulations!... No doubt you will spend the next months thinking about how the fetus will grow.... What will the baby look like?... How much will it weigh?.. Who will kick first?.. Pregnancy up to delivery has different stages and stages that we will review together in this articleGCORP LLC...For childbirth counseling You can make an appointment with the best gynecologist and obstetrician in Tehran.

three months first pregnancy with fetus

Fetal growth usually follows a predictable pattern.... You can find out what happens in the first trimester by reading this weekly calendar of events.... Remember that the measurements below are approximate.

Week 1 and 2: Ready Fetalization

It might sound weird, but you're not actually pregnant in the first or second week of pregnancy....yes, you got it right!

Sperm formation begins two weeks after the start of the last period... To estimate the due date, the specialist calculates 40 weeks from the start of the last period.... That is, (even though you were not pregnant at that time) menstruation is considered a part of pregnancy!

(Read this article about delayed childbirth.)

Week 3: Fertility

Sperm and egg unite in one of the fallopian tubes and form a single-celled organism called a zygote. If more than one egg is released and fertilized, or if the fertilized egg splits into two parts, you will have multiple zygotes.

The zygote usually has 46 chromosomes... 23 chromosomes from the biological mother and 23 chromosomes from the biological father... these chromosomes are effective in determining the gender and physical characteristics of the child.

Very soon after fertilization, the zygote travels through the fallopian tubes to the uterus....at this time, it divides and forms a cluster of cells that looks like a small raspberry.

Week 4: Introduction

In the blastocyst, the inner group of cells become the embryo.. The outer layer helps form the placenta, which feeds the baby during pregnancy.

Week 5: Increase amount hormone

The level of the HCG hormone produced by the blastocyst increases rapidly in the fifth week of pregnancy or three weeks after conception.. This causes the ovaries to stop releasing eggs and produce more estrogen and progesterone.. The increase in these hormones causes the menstrual cycle to stop..

The embryo now consists of three layers.... The ectoderm gives rise to the outermost layer of the skin, the nervous system Central and peripheral, the eyes and inner ear of the baby.

The heart and primary circulatory system are formed in the middle layer of cells (mesenchyma). This cell layer is the basis of bones, ligaments, kidneys and a large part of the reproductive system.

The inner layer of cells (endoderm) is where the baby's lungs and intestines are formed.

Sixth week: The neural tube closes...

The growth of the fetus happens rapidly in this week... Only four weeks after the formation of the sperm, the neural tube that runs along the baby's back closes... The baby's brain and spinal cord form from the neural tube... The heart and other organs also begin to form.

Week 7: Head Fetus Growth

Embryo development five weeks after sperm formation

Seven weeks after the beginning of pregnancy, or five weeks after the formation of sperm, the brain and face of the fetus are developing... The depressions that form the nostrils are visible and the early parts of the retina are formed.

Learn more: What is the difference between a boy and a girl fetus in ultrasound?

Week 8: Baby nose is forming

Fetal growth six weeks after sperm formation

Eight weeks after conception, or six weeks after sperm formation, the baby's lower extremity ridges are paddle-shaped....helper fingers are formed....the outer ridges of the ear lobes, which later become shells, grow, eyes are defined, and the tip of the neck is defined....

At the end of the week, the baby is 1.2 inches long from the center of the head to the bottom (11 to 14 mm) is about half the diameter An American quarter.

Week 9: Toes Toes Baby is forming

Fetal growth seven weeks after sperm formation

By the end of the week, the baby is less than 3.4 inches (16 to 18 mm) from head to bottom...about the size of a penny.

Week 10: Elbow Child Bend

Fetal growth eight weeks after sperm formation

In the tenth week of pregnancy, or eight weeks after sperm formation, the baby's head becomes rounder.

He can now bend his elbow....his fingers and toes lose their thick edges and grow longer....eyelids and outer ears grow....the umbilical cord is clearly defined.

Week 11: Penis Genitalia Baby grows

Now the baby is officially called a fetus.... The baby's face is wide this week, the eyes are completely separated and the eyelids are in place and the ear is lower than the head.... The ridges where the future teeth will form appear.... little by little, red blood cells are formed in the baby's liver.... by the end of the week, the external embryos and embryos will be alloyed... lips.

The fetus now measures 2 inches (50 mm) from head to bottom, about the size of the short side of a credit card, and weighs 1.3 ounces (8 grams).

Learn more:Wash in pregnancy

Week 12: Nails Fetus Finger nails are taking shape

Embryo growth ten weeks after sperm formation

Two weeks after pregnancy or ten weeks after the formation of sperm, the child's nails grow... Now his face is bigger.... The intestines are in the stomach.

At this time, the fetus measures 2 1/2 inches (61 mm), about the size of the short side of a US bill, and weighs 1.2 ounces (14 grams).

third month second pregnancy

The growth of the fetus takes on a new meaning in the second trimester... One of the most important events is the determination of the baby's gender and the sense of movement.

As your pregnancy progresses, the fetus looks more real....Two months ago, your baby was just a bunch of cells, and now it has real organs, nerves, and muscles....You can find out what happens in the second trimester by reading this weekly calendar of events....Remember that the sizes below are approximate.

Week 13: Urine takes shape

The bones inside the skeleton, especially the bones of the skull and long bones, become strong.... The baby's skin is still thin and transparent, but it starts to thicken very soon.

Week 14: Gender Baby Revealed

14 weeks after pregnancy, 12 weeks after sperm formation, the baby's neck is more formed... Red blood cells grow in the spleen.

The gender of the baby will be determined this week or next week.

The baby is now about 3 1/2 inches (87 mm) and weighs 1 1/2 ounces (45 grams).

Week 15: Pattern Child Skull Growth

15 weeks after pregnancy, or 13 weeks after conception, the fetus is growing rapidly.. bone growth continues and will soon be visible on ultrasound images... the baby's hair is forming.

Week 16: Baby Eyes Movement

Fetal growth 14 weeks after sperm formation

Little by little, the movements of the baby's arms and legs are coordinated and can be detected in ultrasound examinations... However, these movements are still so light and gentle that you don't notice them.

The baby is now over 4 1/2 inches (120 mm) long and weighs approximately 4 ounces (110 grams).

Seventeenth week: the child's toenails grow

After the 17th week of pregnancy, or 15 weeks after conception, the toenails start to grow..

The activity of the baby in the amniotic sac increases.... The baby's heart pumps about 100 liters of blood daily.

Week 18: Child acquires ability to hear

Eighteen weeks after pregnancy or 16 weeks after the formation of sperm, the baby's ears are on both sides of the head... the fetus gradually hears sounds... the eyes move forward.. The digestive system is activated.

The baby now weighs 5 1/2 inches (140 mm) and 7 ounces (200 grams).

Week 19: Protective cover Cover Child Growth

Nineteen weeks after pregnancy, 17 weeks after sperm formation, growth slows down.

A greasy, cheese-like coating called vernix caseosa covers the baby's body.... This coating protects the baby's sensitive skin from scratches, abrasions, and roughness that may occur due to exposure to the amniotic fluid.

The uterus and vaginal canal of baby girls are formed this week.

Week 20: Half Way

After half of the pregnancy period, or 18 weeks after the formation of the fetus, you can feel the movements of the fetus (life). The baby sleeps and wakes up regularly and may be woken up by your voice or movements.

The baby is now 6 1/3 inches (160 mm) and weighs more than 11 ounces (320 grams).

Week 21: Baby can suck himself his thumb

Fetal growth 19 weeks after sperm formation

At the 21st week of pregnancy or 19 weeks after the formation of sperm, the baby's body is completely covered with downy hair.. This cover helps to maintain vernix caseosa on the skin.

The sucking reflex is also developing, giving the baby the ability to suck his thumb.

Week 22: Mo Baby is visible observation

In the 22nd week of pregnancy or 20 weeks after sperm formation, the child's hair and eyebrows appear.... Brown fat is also the place of heat production.

Testicles move downwards in male babies.

The baby is now 7 1/2 inches (190 mm) and weighs about 1 pound (460 grams).

Week 23: Effect fingers hands and feet shape lasts kills

Rapid eye movements start from the 23rd week of pregnancy or 21 weeks after sperm formation. Grooves also appear on the palms and feet, which later become the basis of fingerprints.

The baby may start to have hiccups, which causes abdominal tremors.

Week 24: Skin Baby China Eating

At the twenty-fourth week of pregnancy or 22 weeks after conception, the baby's skin becomes wrinkled, transparent, and red or pink due to visible blood in the capillaries.

The baby now measures approximately 8 inches (210 mm) from head to toe and weighs over 1 1/3 pounds (630 grams).

Week 25: Fetus Display Response to Sound

Fetal growth 23 weeks after sperm formation

Most of the fetal sleep time is in rapid eye movement (REM)..

At the twenty-sixth week of pregnancy or 24 weeks after conception, the fetal lungs produce reactants. This substance allows the air sacs in the lungs to inflate and prevents them from collapsing and sticking when empty.

The fetus is now 9 inches (230 mm) long and weighs approximately 2 pounds (820 grams).

Week 27: End Third Month Second

This week is the last week of the second trimester.... At this time, 25 weeks after conception, the nervous system of the fetus continues to grow and develop.... The body of the fetus absorbs fat, which makes the skin look softer.

third month third pregnancy

Fetal growth continues in the third trimester... The fetus opens its eyes, gains more weight and prepares for birth.

The end of pregnancy is near!.. Now you are eager to meet your baby.... But the womb is still a busy place.... Below is the calendar of weekly events of the third trimester.... Remember that sizes are approximate.

Week 28: Eye Fetus Half open Half open

The baby is now 10 inches (250 mm) tall and weighs 2 1/4 pounds (1000 grams).

Week 29: The fetus kicks itself

Fetal growth 27 weeks after sperm formation

At the 29th week of pregnancy, or 27 weeks after sperm formation, the fetus kicks, stretches and can perform grasping movements.

Week 30: Hair Fetus Growth

The fetus is now 10 1/2 inches (270 mm) tall and weighs approximately 3 pounds (1300 grams).

Week 31: Rapid Gain Weight Weight Fetus Start

At 31 weeks of pregnancy or 29 weeks after conception, most of the major growth has occurred.. Now is the time for the fetus to gain weight quickly.

Week 32: Fetus Breathing exercise Breathing

At the 32nd week of pregnancy or 30 weeks after the formation of the fetus, the toenails of the fetus can be seen.

The layer of downy hair that has covered the body of the fetus for the past few months is shed this week.

The baby is now 11 inches (280 mm) tall and weighs 3 3/4 pounds (1700 grams).

Week 33: Fetus Light Identifies

Fetal growth 31 weeks after sperm formation

In the 33rd week of pregnancy or 31 weeks after the formation of the fetus, the size of the pupils of the fetus changes in response to the stimulus caused by light... the bones become stiff... But the skull is still soft and flexible.

Week 34: Fetal fingernails Growth

Fetal nails reach the tip of the hand in the 34th week of pregnancy or 32 weeks after sperm formation.

The baby is now approximately 12 inches (300 mm) tall and weighs over 4 1/2 pounds (2100 grams).

Week 35: skin fetus becomes soft and soft

From the 35th week of pregnancy or 33 weeks after the formation of sperm, the skin of the fetus becomes smooth... his body parts become fat.

Week 36: Body Fetus More Part Amniotic sac Fills does

By the 36th week, 34 weeks after sperm formation, the space in the uterus is so occupied that the fetus can hardly punch in the abdomen... However, you will probably feel a general pulling, rolling, and jolting.

Week 37: possible head fetus to side down movement slow

Thirty-seven weeks after pregnancy, or 35 weeks after sperm formation, the grasping power of the fetus increases.

It is possible that the baby's head (in order to prepare for delivery) moves towards the pelvis.... If the baby's head has not lowered, the specialist will talk to you about ways to solve this problem.

Week 38: Toenails grow

The fetus now weighs approximately 6 1/2 pounds (2,900 grams).

See more: list of the best gynecologist and obstetrician

Week 39: Chest Shelf Out

In the 39th week of pregnancy or 37 weeks after sperm formation, the child's chest comes forward.... The testicles of male babies descend towards the scrotum... Fat is added to all parts of the body to keep warm after birth.

Week 40: Time birthday has arrived

Fetal growth 38 weeks after sperm formation

At 40 weeks of pregnancy or 38 weeks after conception, the fetus is 14 inches (360 mm) long and weighs 7 1/2 pounds (3400 grams).. But remember that healthy babies are born at different weights.

If the due date is missed without any signs of labor pain, do not worry.... The due date is only a possible estimate of the 40th week of pregnancy and does not determine the exact time of birth... It is normal to give birth before or after the due date.

Final speech

Each stage of pregnancy has its own characteristics.. Depending on what stage you are in, even the pregnancy regimen may be different.... Different stages of pregnancy may be different for pregnant women over 35 years old.... If you are looking for a gynecologist and obstetrician, GCORP LLC offers you Dr. Fatemeh Laali.

You should have a plan and enough information for each stage and ask a doctor for help.... In this regard, for treatment or to get more information, you can make an appointment with the gynecologists, obstetrics and sterility doctors at GCORP LLC and consult them.

Source: Mayoclinic

[sibwp_form id=1]