Development of the fetus for weeks of pregnancy of the first trimester. Fetal chart by week

Since the very first weeks of pregnancy, a woman is interested in how and what should happen. About how the baby is developing in the womb, what changes it is waiting for itself can be read in this article.

Pregnancy Weekly: Development and Sensation

  • Pregnancy Week by Week: Development and Sensation
    • 1 Week of Pregnancy
    • 2 Week of Pregnancy
    • 3 Week of Pregnancy
    • 4 Week of Pregnancy
    • 5 Week of Pregnancy
    • 6 Week of Pregnancy
    • 7 Week of Pregnancy
    • 8 Week of Pregnancy
    • 9th Week of Pregnancy
    • 10th Week of Pregnancy
    • 11th Week of Pregnancy
    • 12th Week of Pregnancy
  • Pregnancy Development Calendar by Week
  • Video: Video Guide.1 Week. Planning pregnancy
  • Video: Video guide.3 week. Determination of pregnancy
  • Video: Video guide.4 week. How to tell my husband?
  • Video: Video guide.5 week. Become an account
  • Video: Video guide.6 week. Side effects of
  • Video: Video guide.7 week. Ectopic pregnancy
  • Video: Video guide.8 week. Exercise during pregnancy
  • instagram viewer
  • Video: Video guide.10 week. Mood swings
  • Video: Video guide.11 week. Screening of the first trimester
  • Video: Video guide.12 week. Miscarriage
  • First fetal movement
  • Fetal weight by week of gestation
  • Fetal norms by weeks
  • Fetal size by weeks
  • Fetal length by weeks
  • Weight of the child by stomach size
  • Fetal head circumference by weeks
  • Fetal heartbeat by week
  • Fetal heart rate by weeks
  • Fetal pictures for weeks
  • Development of twin fetus
  • Video: How does the pregnancy of twins?
  • Arrangement of the fetus in the abdomen by weeks
  • Fetal Cerebrosion by Week, Table
  • Fetal Supplement by Week
  • Video: Ultrasound. What do the kids do inside moms?

Well, the long-awaited day came when the pregnancy test showed two strips. It will be difficult to be mistaken if you say that every woman at this moment feels excitement for herself and for the future baby. It is realized that she is responsible not only for herself, but for a new, as yet small, life.

Pregnancy by week: development and sensation

The woman does not even suspect her pregnancy. No tests or ultrasound examinations show it. The fact is that obstetrician gynecologists start counting the line, already from the first day of the beginning of the last menstruation. This wonderful period lasts for 40 weeks, and each of them is unforgettable in its own way. After visiting the doctor, you can find out about the upcoming date of childbirth.

in anticipation of a miracle

1 week of pregnancy

In the first week with the body of a woman, nothing happens yet. All changes are associated with the monthly cycle. The mucous uterus rejects dead cells and prepares to produce thousands of others. It is during this period that the egg begins to ripen, on which the future pregnancy depends.

Sensations: No changes yet, woman can feel malaise associated with menstruation - it's dizziness, nausea, abdominal pain

follicle development

2 week of pregnancy

In the second week, the ovum has already matured, and at the end of this period ovulation will occur. It is at this time, a mature egg, when it meets a sperm in the fallopian tube, can become fertilized. The life time of the egg is 24 - 48 hours.

IMPORTANT: Almost all pregnancies occur during the period of ovulation. In order to learn about its onset, it is necessary to measure every morning without getting out of bed, the basal body temperature.

Feels:

  • At the end of the second week, at the time of ovulation, a woman may have a slightly sore stomach, not even ache, and pull
  • . Bloody-colored discharge of
  • may appear. It is in the second week that a woman increases libido, which contributes to the appearance of a new life.

IMPORTANT: No changesin the condition the future mum will not feel, except for the women suffering PMS, they will notice absence of already habitual signs.

ovulation process

3 week of pregnancy

During this period the body always prepares for the possibility of pregnancy. There are changes in the thickness of the endometrium of the uterus. It becomes thicker, putting off the vitamins, nutrients and minerals necessary for the embryo.

If everything is good, and the egg meets the sperm, a so-called yellow body forms on the place of the follicle. It is on it depends on the development of hormones responsible for maintaining a pregnancy.

IMPORTANT: This is a very important period for the birth of a new life, it is at this stage that a fertilized cell can already be detached.

Feels: At the third week of pregnancy, there are no new sensations yet. But this does not apply to very sensitive women. They may have increased drowsiness, frequent changes of mood, pulling the pains in the lower abdomen, may swell the chest.

yellow body

4 week of pregnancy

During this period, the implantation of the embryo into the uterine mucosa occurs. The cervix is ​​closed with a cork. The yellow body, formed from the follicle, grows even more. Attachment of the embryo, makes changes in the state of the future mother. There are the first symptoms of pregnancy. The future baby depresses the immune system of the mother, it becomes possible exacerbation of chronic diseases, which is especially dangerous for the unborn child. Taking medications can affect its development.

IMPORTANT: The main danger of the first month of pregnancy is the ectopic pregnancy

Sensations: A woman expects the arrival of menstruation, in addition, she may have:

  • Drowsiness and weakness
  • Mood becomes changeable
  • Breast painful and sensitive
  • Swelling of the legs or hands may occur
  • Sharpening of the sense of smell
  • Incomprehensible sensation in the lower abdomen
  • Frequent urge to urinate

IMPORTANT: Some women do not even know about pregnancy, because during the implantthe embryo, there may be discharges that are similar to the monthly ones. Their difference in a small number of days and the most vydeleny.

embryo in the fourth week

5 week of pregnancy

The embryo more and more evolves hCG, thereby stimulating the growth of the yellow body that produces the necessary hormone progesterone. The form of the uterus changes, it becomes like a ball and softer, but the dimensions remain the same. Already this week, a doctor may suggest the onset of pregnancy. A woman, as before, is very sensitive to infections.

Feels: Most often, the first signs that she is pregnant, a woman feels this week.

IMPORTANT: The most important feature is not the onset of menstruation.

  • Increased drowsiness and fatigue
  • Halo around the nipples becomes darker
  • Nausea and vomiting arises
  • Sharp senses and taste preferences change
  • Unpleasant, painful pain can be felt in the lower abdomen

IMPORTANT: If there is no evidence of toxicosis, do not worry about it. This is an individual feature of the body.

6 week of pregnancy

The embryo allocates more and more hCG, it is for him that the doctor can determine the duration of pregnancy. The yellow body, it can already be seen on ultrasound, produces the necessary progesterone. Thanks to it, changes in the structure of the breast begin to occur. There is frequent urination and a tendency to constipation. The skin condition changes, rashes may occur. Thinner future mothers begin to recover. Due to the slow operation of the intestine, the stomach can grow in size. Uterus slightly increases in size.

Sensations:

Symptoms of toxicosis only increase:

  • Pressure decreases, dizziness occurs
  • Nausea and vomiting intensifies
  • Headaches develop
  • Increases salivation
  • Sharp senses
  • Breast increases in size
  • Does not leave constant fatigue and drowsiness this week
  • The mood becomes very changeable
  • Uncaused fears arise, especially if the pregnancy was not planned
  • Heartburn may occur
  • Pregnancy makes hair and nails more healthy, which can not be said about the skin of the face
sensations in the first weeks of pregnancy

7 week of pregnancy

The woman is already adjusting to her condition a little. The future baby begins to take calcium from his mother. With its insufficient intake, into the body of a woman, leg cramps, varicose veins and hemorrhoids may occur. This is due to the fact that the fetus begins to take it from the deep veins. The appearance of varicose veins can lead to a woman's inclination to this vascular disease.

IMPORTANT: This week it is better not to undergo an examination with a gynecologist, a cork is formed in the cervix of the uterus. She will protect the baby throughout pregnancy, and will only go away before giving birth.

Become more prominent tummy, but this is not yet associated with the growth of the baby and the uterus. Its volume is affected by the hormone progesterone, it relaxes the walls of the intestines, provoking swelling and constipation.

IMPORTANT: Weight may increase or even decrease, it all depends on whether the woman is suffering from toxemia or not.

Sensations:

  • Toxicosis only worsens
  • Constant vomiting dehydrates the body. It affects not only the woman, but also the future baby
  • Forces does not remain almost anything

IMPORTANT: It is necessary to have a rest more, try to be more often outdoors.

strong fatigue and drowsiness satellites of the first months of pregnancy

8 week of pregnancy

This week, the woman will experience another hormonal surge. The baby's genitals are formed, which aggravates the symptoms of toxicosis even more. Hair can begin to fall out. There is a pigmentation on the face, the skin condition worsens.

Sensations:

  • Sharp changes in body position cause dizziness and bouts of nausea
  • No power to ride in public transport
  • All the time I want something unusual
  • From the smells of familiar food, almost vomiting can arise. Arises heartburn
  • Tearfulness and sharp jumps in the mood have already tortured even close people
  • Comes full realization that soon a new life will be born

9 week of pregnancy

The organism continues to rebuild, hormones continue to rage, provoking attacks of toxicosis. If the attacks of nausea do not interfere with eating, the woman begins to gain weight. The body begins to produce more hormone, responsible for the production of milk. This provokes possible discharge from the nipples and change them in color.

IMPORTANT: It should be noted that the growth hormone necessary for the development of the baby's future can provoke an increase in the lips, hands and feet. This is when it is produced too much.

Feelings: Those who suffered from toxicosis before, he does not let go. The most common complaints in expectant mothers:

  • Drowsiness
  • Nausea
  • Sucking
  • Constipation
  • Frequent urge to urinate
  • There may be sudden bouts of hunger, and immediately after them and aversion to food. After a while, everything can happen again
embryo at week 9 of pregnancy

10 week of pregnancy

This week the placenta begins to provide the baby with everything necessary. Improvements in the general condition of this does not bring. But the woman should already be a little rounded. The breast also increases in size. An important role is played by the right underwear. It is necessary to prevent the appearance of varicose veins and to take preventive measures. Pigmented spots can spoil and so changeable mood. Since this week should regularly measure blood pressure, try to maintain it at the same level.

Sensations:

  • Toxicosis has not yet passed, but it may already be weakening
  • Heartburn may not leave the expectant mother until the very birth of
  • Frequent trips to the toilet became the true companions of pregnancy
  • It may very often have been to pull on the sweet,then on salted
  • Sleep becomes very sensitive
fetal development of fetus

11 week of pregnancy

From this week it is necessary to gradually increase the amount of food eaten per day, or rather, its caloric value. This is due to the acceleration of metabolism. Increased blood volume requires an increased amount of fluid. The hormonal background is being reconstructed, but the woman is already fully used to her condition. If there is a desire to eat something not edible, you should replenish the body's stores of calcium and iron.

Feels:

  • Swings in mood still do not leave future mother
  • It seems to a woman that her surroundings are noticeable to everyone around her. In fact, they can only notice the manifestations of the toxicosis
  • Nausea already slightly recedes
  • Heartburn intensifies
  • Breasts are very sensitive to the slightest touch
  • Vaginal discharge may be allocated
  • Do not give to focus on everyday matters drowsiness, absent-mindedness, forgetfulness
toxicosis gradually recedes

12 weekspregnancy

Since this week, a woman can slowly move away from manifestations of toxicosis. The placenta has already been fully formed and provides the baby with everything necessary. The organism has ceased to perceive the future child as something threatening the health of a woman. The uterus has increased from the first week of pregnancy to 10 cm and there may already be a small tummy, slightly noticeable to others.

Feels:

  • Feelings and mood slowly come back to normal
  • Blood volume increased and the heart, cope with the extra load, starts to beat stronger
  • Becomes uncomfortable sleeping on the back
  • Appetite improves, weight gain is possible

IMPORTANT: Already this week some mothers canto feel the wiggling of the fetus, this is when the pregnancy is not the first.

the baby is already actively moving

The calendar of the development of pregnancy by weeks

1 - 2 week: The fetus is not yet actually there. There is only an immature egg. It will not ripen until the end of the second week.

Video: Video guide.1 Week. Planning for pregnancy

3 week: Insemination occurs, the embryo appears. At first it consists of one cell, a little more than a day already two cells, then even more, on the seventh day there are already 100.

IMPORTANT: This week plays a big role in implanting the embryo in the uterus or not.

Video: Video guide.3 week. Definition of pregnancy

4 week: The embryo develops very quickly. He implanted special villi into the uterus. It is this week that the vital organs of the future baby are laid.

Video: Video guide.4 week. How to tell my husband?

5 week: The thyroid is forming, it is very important that my mother does not lack iodine in the body. Heart and cardiovascular system. Airways.

Video: Video guide.5 week. Becoming an account

6 week: The nose is formed, the ears, according to the researchers, the future child can already catch the sounds. They are laid in the development of the eye, they are still looking like two black dots.

Video: Video guide.6 week. Side effects of

Week 7: Bone tissue develops and the rudiments of infant teeth are laid. The fetus has arms and legs, it can already bend them. Since this week, the baby reacts to the psychological state of the mother, can feel stress.

Video: Video guide.7 week. Ectopic pregnancy

Week 8: Fetus has fingers. The heart and the kidney form. The girls form the ovaries, and the boys have testicles. The blood is already divided into venous and arterial blood. The baby can feel warm or cold. The tail is almost gone.

Video: Video guide.8 week. Exercise during pregnancy

Week 9: You can already distinguish the lobes of the ears and lips. The baby can swallow the surrounding liquid. Handles and legs are longer, the marigolds are already formed. The cerebellum begins to develop.

Video: Video guide.9 week. Nutrition in early pregnancy

10th week: The future baby is developing very quickly. He can already slightly kick and stretch. All vital organs were formed, and begin to develop rapidly. You can already determine the sex of the child and his blood group. Taurus was covered in fuzz. The skeleton is getting harder.

Video: Video guide.10 week. Mood swings

Week 11: The baby already has a neck, he can lift his head. Fingers split and develop. He can already distinguish smells and feel the amniotic fluid. There was a rectum. Liver plays a big role in development.

Video: Video guide.11 week. Screening for the first trimester

Week 12: The face already looks like a little man. The future child can frown, open and close his eyes, suck a finger, suck a finger, train in respiratory reflexes. Nails are formed from the right side, fingerprints already have prints.

Video: Video guide.12 week. Miscarriage

The first stirring of the fetus

  • The first stirring, too sensitive women, can feel another 12 weeks of pregnancy. But they are also easily confused with the movement of gases through the intestines. This unforgettable and inexpressible sensation
  • If the pregnancy is not the first, already the first tremors, my mother will feel at the 15th week. Pregnant first-borns are less fortunate, they should be patient until the 20th week of
the first movements are unforgettable

IMPORTANT: From now on, mom feels a special connection with her baby.

For more information about the first ultrasound study and fetal development tables, see this article: http: //heaclub.ru/ uzi-pri-beremennosti-na-kakih-srokah-delayut-pervoe-uzi-pri-beremennosti-tablicy-uzi-ploda

Fetal weight for weeks of pregnancy

Fetal weight can be tracked using ultrasound. This is a very important criterion for determining anomalies in the development of a future baby. At the very beginning of its development, it does not weigh even 1 gram. All the data in the table are approximate, and may have minor deviations.

  • 4 week: 0.5 grams
  • 5 week: 0.8 grams
  • 6 week: 0.9 grams
  • 7 week: 1 gram
  • 8 week: 1.5 grams
  • Week 9: 2 grams
  • 10 week: 4 grams
  • 11 Week: 8 grams
  • 12 Week: 14 grams

Fetal rates for weeks

Great importance is the growth and development rates of the kid in the womb of the mother. Comparing them with the rates of the norm, the doctor can in time reveal pathologies or developmental lag. Also on these data, you can determine the duration of pregnancy. It is very important not to miss all scheduled visits to a specialist and a survey.

Fetal standards by ultrasound scores for developmental weeks

Fetal size for weeks

In order to imagine the size of the fetus at the beginning of pregnancy, it can be compared with seeds, vegetables and fruits:

  • 4 week: poppy seed
  • 5 week: sesame seed
  • 6 week: pepper
  • 7 week: bean
  • Week 8:
  • grapes Week 9:
  • cherry 10 week:
  • strawberry 11 week:
  • lime 12 week: lemon

Fruit length for weeks

At the beginning of development the fruit is very small, not more than 1 mm long, but it grows rapidly anddevelops.

  • Week 4: 1 mm
  • Week 5: 1.5 mm
  • Week 6: 4 mm
  • Week 7: 13 mm
  • Week 8:
  • Week 9: 30 mm
  • Week 10: 42 mm
  • Week 11: 60 mm
  • Week 12: 61 mm
Fruit dimensions

Values ​​are approximate and may fluctuate in any direction.

The weight of the child according to the size of the abdomen

Determine the weight of the child can be on ultrasound examination, as well as the size of the belly of the mother.

  • Should be measured at the navel level, abdominal circumference
  • Know the height of the standing of the bottom of the uterus
  • Multiply these two values ​​on top of each other

This is the simplest way. Thus, it is possible to know the estimated weight of the child, but only after 35 weeks of gestation. The error is 200 grams.

Fetal head circumference for weeks

Circumference of the head is determined by planned ultrasound. Measure it begin in the second trimester from the 14th week of pregnancy. This value plays a big role in assessing the development of the baby.

Fetal heartbeat for weeks

Almost from the moment of conception, the baby starts to beat heart. At the beginning of its development, these are practically inaudible cuts. As early as 7 weeks, you can see how the fetus's heart beats with the help of ultrasound. It is by the frequency of the heartbeat, an experienced doctor, can determine the length of pregnancy and what gender the future baby will be.

  • Up to 6 weeks, the heart beats no more than 80 beats per minute
  • From 6 to 8 weeks its rhythm is accelerated to 159 strokes
  • At 9 weeks even faster, 170 to 190 strokes
  • From 10 to 11 weeks, the heart rhythm is already normalized and is 165 strokes
  • From 14 weeks, and until the very birth, the heart rate is 157 beats per minute

Fetal heart rate per week

Fetal heart rate is very important for diagnosing any abnormalities in development. They can also signal about hypoxia.

Fetal heart rate

Fetal images for weeks

First weeks of pregnancy
Fetal images
Fetal images
Fetal images
Fetal images

Development of twin fetus

If a woman has matured two eggs and passed their fertilization, then a multiple pregnancy occurs.

twins
  • 1 - 12 week: Toxicosis occurs a little earlier than in pregnancy by one toddler. Precisely determine the pregnancy of twins is possible only with the help of ultrasound equipment. Babies during this time develop and attach to the uterine cavity. This period is very important, since the risk of miscarriage doubles

IMPORTANT: Up to about 12 weeks, one embryo can stop developing and become frozen. This will not affect the further development of the second baby.

Video: How is pregnancy doubled?

Arrangement of the fetus in the abdomen for weeks

In the first weeks of pregnancy, the fetus is very spacious in the mother's stomach. He can constantly change his position. Only in the third trimester the baby will take its basic presentation.

Cerebellum for weeks, table

IMPORTANT: The cerebellum is responsible for the motor activity of the baby's future, the development of internal organs. During ultrasound, starting at week 14, closely monitored for its development.

Fetal gain for weeks

Toddler is growing rapidly and developing. At the very beginning of pregnancy weight gain is insignificant. From 8 to 12 weeks, the fruit gains from 1 to 10 grams every week. A little later he will quickly start preparing for the release.

Video: ultrasound. What do the kids do inside moms?

  • Mar 03, 2018
  • 80
  • 213