Till How Many Weeks Baby Can Change Position

Overview

How long does it take for a baby to exist born? A typical pregnancy lasts xl weeks from the first day of your concluding menstrual period (LMP) to the birth of the babe. It is divided into three stages, called trimesters: first trimester, second trimester, and 3rd trimester. The fetus undergoes many changes throughout maturation.

How Presently Can You lot Tell If You Are Pregnant?

A missed menses is often the first sign that y'all may be significant, simply how do yous know for sure? Many women utilize home pregnancy tests to tell if they are pregnant; however, these tests are more than probable to exist accurate when used at least ane week after a woman'due south last period. If you take the test less than 7 days earlier your last menstrual catamenia, it may give you a simulated event. If the examination is positive, it is more probable that you actually are pregnant. However, if the test is negative, there is an increased chance that the test is wrong. Your physician can do a claret test to detect pregnancy sooner than a dwelling house pregnancy test can.

Pregnancy Weight Gain

The amount of weight a woman should gain during pregnancy depends on her body mass alphabetize (BMI) prior to condign pregnant. Women who are a normal weight should gain between 25 and 35 pounds. Women who are underweight prior to pregnancy should gain more than. Women who are overweight or obese prior to pregnancy should proceeds less. The recommended caloric intake for a normal weight woman who exercises less than 30 minutes per week is 1,800 calories per day during the first trimester, 2,200 calories per twenty-four hour period during the second trimester, and ii,400 calories during the third trimester.

Pregnancy Weight Gain Distribution

Women gain weight all over their bodies while they are pregnant. Fetal weight accounts for about 7 one/2 pounds past the end of pregnancy. The placenta, which nourishes the baby, weighs almost 1 i/two pounds. The uterus weighs 2 pounds. A woman gains about 4 pounds due to increased blood volume and an additional 4 pounds due to increased fluid in the body. A woman's breasts gain 2 pounds during pregnancy. Amniotic fluid that surrounds the baby weighs 2 pounds. A woman gains nigh 7 pounds due to excess storage of poly peptide, fat, and other nutrients. The combined weight from all these sources is about 30 pounds.

Pregnancy Complications

Pregnant women may feel sure complications and symptoms as the fetus grows. Anemia, urinary tract infection, and mood changes may occur. An expectant female parent may experience high claret pressure (preeclampsia), which increases the risk of preterm commitment and other potential dangers for the infant. Severe morning sickness or hyperemesis gravidarum causes persistent nausea and vomiting, particularly during the first 12 pregnancy weeks. This may atomic number 82 to showtime trimester symptoms of weight loss and dehydration, requiring IV fluids and antinausea medication. Pregnant women should be aware of the possibility of developing gestational diabetes. It causes symptoms like excessive thirst and hunger, frequent urination, and fatigue. Obesity and excessive weight gain are possible, especially as the pregnancy progresses. Women are supposed to gain weight during pregnancy, only excessive weight gain may be associated with symptoms that put female parent and baby at risk. Enquire your md how much weight you should proceeds during your pregnancy.

The Three Stages of Pregnancy
(one^st, 2^nd, and 3^rd Trimester)

Conception to about the 12th week of pregnancy marks the first trimester. The 2nd trimester is weeks 13 to 27, and the third trimester starts near 28 weeks and lasts until birth. This slide evidence will discuss what occurs to both the mother and baby during each trimester.

First Trimester

Commencement Trimester: Week i (conception) – Week 12

Get-go Trimester: Early Changes in a Adult female'south Body

The early changes that signify pregnancy become present in the outset trimester. A missed menses may exist the beginning sign that fertilization and implantation have occurred, ovulation has ceased, and you lot are pregnant. Other changes will also occur.

Kickoff Trimester: Physical and Emotional Changes a Woman May Experience

Hormonal changes volition affect most every organ in the trunk. Some signs of early pregnancy in many women include symptoms similar:

• Extreme fatigue
• Tender, swollen breasts. Nipples may protrude.
• Nausea with or without throwing upward (morning sickness)
• Cravings or aversion to sure foods
• Mood swings
• Constipation
• Frequent urination
• Headache
• Heartburn
• Weight proceeds or loss

Kickoff Trimester: Changes in a Woman'southward Daily Routine

Some of the changes you feel in your first trimester may cause you to revise your daily routine. You may need to go to bed earlier or consume more frequent or smaller meals. Some women experience a lot of discomfort, and others may non feel any at all. Meaning women experience pregnancy differently, even if they've been significant before. Significant women may feel completely differently with each subsequent pregnancy.

Get-go Trimester: The Baby at 4 Weeks

At iv weeks, your baby is developing:

• The nervous system (brain and spinal string) has begun to course.
• The heart begins to course.
• Arm and leg buds begin to develop.
• Your infant is now an embryo and one/25 of an inch long.

Outset Trimester: The Baby at 8 Weeks

At 8 weeks, the embryo begins to develop into a fetus. Fetal development is apparent:

• All major organs have begun to class.
• The infant's middle begins to beat.
• The arms and legs grow longer.
• Fingers and toes take begun to course.
• Sex organs begin to class.
• The face begins to develop features.
• The umbilical cord is clearly visible.
• At the end of 8 weeks, your baby is a fetus, and is nearly 1 inch long, weighing less than ⅛ of an ounce.

First Trimester: The Infant at 12 Weeks

The end of the first trimester is at about week 12, at this signal in your babe's development:

• The fretfulness and muscles begin to work together. Your baby can brand a fist.
• The external sex organs prove if your babe is a boy or daughter.
• Eyelids close to protect the developing eyes. They volition non open again until week 28.
• Caput growth has slowed, and your baby is about iii inches long, and weighs well-nigh an ounce.

Second Trimester

2d trimester: Week 13 – Calendar week 28

Second Trimester: Changes a Woman May Experience

Once you enter the 2d trimester you lot may find it easier than the first. Your nausea (forenoon sickness) and fatigue may lessen or go abroad completely. However, you will as well observe more changes to your torso. That "babe bump" will start to show as your abdomen expands with the growing baby. By the end of the 2d trimester you volition fifty-fifty be able to feel your baby move!

2nd Trimester: Physical and Emotional Changes in a Woman

Some changes you may notice in your trunk in the 2nd trimester include:

• Back, abdomen, groin, or thigh aches and pains
• Stretch marks on your abdomen, breasts, thighs, or buttocks
• Darkening of the skin around your nipples
• A line on the skin running from abdomen button to pubic hairline (linea nigra)
• Patches of darker skin, ordinarily over the cheeks, forehead, nose, or upper lip. This is sometimes called the mask of pregnancy (melasma, or Chloasma facies).
• Numb or tingling hands (carpal tunnel syndrome)
• Itching on the abdomen, palms, and soles of the feet. (Call your md if you take nausea, loss of appetite, airsickness, yellowing of peel, or fatigue combined with itching. These can be signs of a liver problem.)
• Swelling of the ankles, fingers, and confront. (If you lot notice any sudden or extreme swelling or if yous gain a lot of weight apace, telephone call your physician immediately. This could exist a sign of a serious status chosen preeclampsia.)

Second Trimester: The Baby at 16 Weeks

As your body changes in the second trimester, your baby continues to develop:

• The musculoskeletal organization continues to course.
• Skin begins to form and is nearly translucent.
• Meconium develops in your baby's intestinal tract. This will be your baby's first bowel movement.
• Your infant begins sucking motions with the rima oris (sucking reflex).
• Your baby is about 4 to 5 inches long and weighs virtually 3 ounces.

2d Trimester: The Baby at 20 Weeks

At about 20 weeks in the second trimester, your baby continues to develop:

• Your baby is more active. You might feel motility or kicking.
• Your baby is covered by fine, feathery pilus called lanugo and a waxy protective coating chosen vernix.
• Eyebrows, eyelashes, fingernails, and toenails have formed. Your infant can even scratch itself.
• Your infant can hear and eat.
• Now halfway through your pregnancy, your baby is about six inches long and weighs almost 9 ounces.

Second Trimester: The Baby at 24 Weeks

By 24 weeks, even more changes occur for your growing baby:

• The babe'south bone marrow begins to make blood cells.
• Sense of taste buds form on your baby's tongue.
• Footprints and fingerprints accept formed.
• Hair begins to abound on your infant'south head.
• The lungs are formed, but practise not yet piece of work.
• Your baby has a regular sleep bike.
• If your baby is a male child, his testicles begin to descend into the scrotum. If your babe is a daughter, her uterus and ovaries are in place, and a lifetime supply of eggs has formed in the ovaries.
• Your babe stores fatty and weighs about 1½ pounds, and is 12 inches long.

Third Trimester

Third Trimester: Week 29 – Week 40 (birth)

Third Trimester: Changes a Woman May Feel

The third trimester is the final stage of pregnancy. Discomforts that started in the second trimester will likely go along, along with some new ones. Equally the baby grows and puts more than pressure on your internal organs, you may find you have difficulty breathing and have to urinate more ofttimes. This is normal and in one case y'all give birth these problems should go abroad.

3rd Trimester: Emotional and Physical Changes a Woman May Experience

In the third and final trimester you lot will notice more physical changes, including:

• Swelling of the ankles, fingers, and face. (If you notice any sudden or extreme swelling or if you gain a lot of weight really speedily, call your md correct away. This could be a sign of a serious condition called preeclampsia.)
• Hemorrhoids
• Tender breasts, which may leak a watery pre-milk called colostrum
• Your omphalus may protrude
• The babe "dropping," or moving lower in your abdomen
• Contractions, which tin can exist a sign of existent or simulated labor
• Other symptoms you may discover in the third trimester include shortness of breath, heartburn, and difficulty sleeping

Third Trimester: Changes as the Due Engagement Approaches

Other changes are happening in your body during the tertiary trimester that you can't see. Every bit your due appointment approaches, your cervix becomes thinner and softer in a procedure called effacement that helps the cervix open up during childbirth. Your dr. will monitor the progress of your pregnancy with regular exams, specially as you near your due date.

Third Trimester: The Baby at 32 Weeks

At 32 weeks in the third trimester, your baby'southward development continues:

• Your baby'south basic are soft just fully formed.
• Movements and kick increase.
• The eyes can open and close.
• Lungs are not fully formed, but practise "breathing" movements occur.
• Your babe's body begins to store vital minerals, such as iron and calcium.
• Lanugo (fine hair) begins to fall off.
• Your babe is gaining about ½ pound a week, weighs almost 4 to 4½ pounds, and is virtually fifteen to 17 inches long.

Third Trimester: The Babe at 36 Weeks

At 36 weeks, every bit your due date approaches, your baby continues development:

• The protective waxy coating (vernix) thickens.
• Body fatty increases.
• Your baby is getting bigger and has less space to motility around. Movements are less forceful, but you will still experience them.
• Your baby is about 16 to 19 inches long and weighs about 6 to 6½ pounds.

Third Trimester: The infant at 37 to 40 Weeks

Finally, from 37 to twoscore weeks the last stages of your baby's development occur:

• By the finish of 37 weeks, your infant is considered full term.
• Your baby's organs are capable of functioning on their own.
• As yous almost your due date, your baby may plow into a head-down position for nativity.
• Average birth weight is betwixt half-dozen pounds 2 ounces to 9 pounds 2 ounces and average length is 19 to 21 inches long. Virtually full-term babies fall within these ranges, but healthy babies come up in many dissimilar weights and sizes.

Sources:

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REFERENCES:

• Centers for Illness Command and Prevention (CDC): "Pregnancy."
• Womenshealth.gov: Centers for Disease Control and Prevention (CDC): "Stages of Pregnancy."

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Source: https://www.onhealth.com/content/1/pregnancy_stages_trimesters

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