Can a Baby Survive at 25 Weeks of Pregnancy

Overview

How long does it take for a baby to be built-in? A typical pregnancy lasts twoscore weeks from the first day of your concluding menstrual period (LMP) to the nativity of the infant. It is divided into 3 stages, called trimesters: starting time trimester, 2nd trimester, and third trimester. The fetus undergoes many changes throughout maturation.

How Before long Can You Tell If You Are Pregnant?

A missed period is ofttimes the offset sign that you may be pregnant, only how do you know for sure? Many women use home pregnancy tests to tell if they are pregnant; however, these tests are more likely to be accurate when used at to the lowest degree 1 week after a woman'south last menses. If you take the test less than 7 days before your last menstrual period, information technology may give you a false result. If the exam is positive, information technology is more likely that you actually are pregnant. Nonetheless, if the test is negative, in that location is an increased chance that the test is wrong. Your doc tin can do a blood test to detect pregnancy sooner than a home pregnancy examination tin.

Pregnancy Weight Proceeds

The amount of weight a woman should gain during pregnancy depends on her trunk mass index (BMI) prior to becoming pregnant. Women who are a normal weight should proceeds betwixt 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 adult female who exercises less than xxx minutes per week is 1,800 calories per day during the beginning trimester, 2,200 calories per twenty-four hours during the second trimester, and 2,400 calories during the third trimester.

Pregnancy Weight Proceeds Distribution

Women gain weight all over their bodies while they are pregnant. Fetal weight accounts for about 7 1/two pounds past the end of pregnancy. The placenta, which nourishes the infant, weighs about i ane/2 pounds. The uterus weighs 2 pounds. A adult female gains about 4 pounds due to increased blood book and an boosted 4 pounds due to increased fluid in the body. A woman'southward breasts gain 2 pounds during pregnancy. Amniotic fluid that surrounds the baby weighs 2 pounds. A woman gains about vii pounds due to backlog storage of protein, fat, and other nutrients. The combined weight from all these sources is most xxx pounds.

Pregnancy Complications

Pregnant women may experience sure complications and symptoms every bit the fetus grows. Anemia, urinary tract infection, and mood changes may occur. An expectant mother may experience high claret pressure (preeclampsia), which increases the chance of preterm commitment and other potential dangers for the babe. Severe forenoon sickness or hyperemesis gravidarum causes persistent nausea and airsickness, particularly during the offset 12 pregnancy weeks. This may lead 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, specially as the pregnancy progresses. Women are supposed to gain weight during pregnancy, simply excessive weight gain may be associated with symptoms that put female parent and baby at risk. Ask your md how much weight you should proceeds during your pregnancy.

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

Conception to about the 12th calendar week of pregnancy marks the first trimester. The 2d trimester is weeks 13 to 27, and the tertiary trimester starts almost 28 weeks and lasts until birth. This slide bear witness will discuss what occurs to both the mother and babe during each trimester.

Starting time Trimester

First Trimester: Week 1 (formulation) – Calendar week 12

Start Trimester: Early Changes in a Woman'southward Body

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

First Trimester: Physical and Emotional Changes a Woman May Experience

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

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

First Trimester: Changes in a Woman's Daily Routine

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

Commencement Trimester: The Babe at four Weeks

At 4 weeks, your infant is developing:

• The nervous organisation (brain and spinal cord) has begun to form.
• The middle begins to form.
• Arm and leg buds begin to develop.
• Your baby is now an embryo and ane/25 of an inch long.

Offset Trimester: The Baby at 8 Weeks

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

• All major organs have begun to course.
• The baby'due south heart begins to shell.
• The arms and legs abound longer.
• Fingers and toes have begun to class.
• Sex organs begin to class.
• The confront begins to develop features.
• The umbilical string is clearly visible.
• At the cease of eight weeks, your baby is a fetus, and is about i inch long, weighing less than ⅛ of an ounce.

Start Trimester: The Babe at 12 Weeks

The end of the beginning trimester is at about week 12, at this indicate in your baby'southward evolution:

• The nerves and muscles begin to work together. Your baby can make a fist.
• The external sexual practice organs show if your baby is a boy or girl.
• Eyelids close to protect the developing optics. They volition non open up again until calendar week 28.
• Head growth has slowed, and your babe is about 3 inches long, and weighs almost an ounce.

Second Trimester

Second trimester: Week 13 – Week 28

2d Trimester: Changes a Adult female May Experience

In one case you lot enter the second trimester you may detect it easier than the first. Your nausea (morning sickness) and fatigue may lessen or go away completely. Nonetheless, you will as well discover more changes to your body. That "baby bump" will start to bear witness as your belly expands with the growing baby. By the end of the 2d trimester you will fifty-fifty be able to feel your baby move!

2nd Trimester: Concrete and Emotional Changes in a Adult female

Some changes you may discover in your body in the second trimester include:

• Back, abdomen, groin, or thigh aches and pains
• Stretch marks on your abdomen, breasts, thighs, or buttocks
• Darkening of the peel around your nipples
• A line on the skin running from bellybutton to pubic hairline (linea nigra)
• Patches of darker pare, 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 doctor if you take nausea, loss of appetite, vomiting, yellowing of skin, or fatigue combined with itching. These can be signs of a liver problem.)
• Swelling of the ankles, fingers, and face. (If you notice whatsoever sudden or extreme swelling or if you proceeds a lot of weight quickly, call your physician immediately. This could be a sign of a serious condition called preeclampsia.)

Second Trimester: The Baby at 16 Weeks

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

• The musculoskeletal organisation continues to form.
• Peel begins to form and is nearly translucent.
• Meconium develops in your baby'southward abdominal tract. This will exist your baby'due south first bowel move.
• Your infant begins sucking motions with the oral cavity (sucking reflex).
• Your baby is about four to 5 inches long and weighs nearly 3 ounces.

Second Trimester: The Babe at xx Weeks

At nigh 20 weeks in the second trimester, your babe continues to develop:

• Your baby is more agile. Yous might feel movement or boot.
• Your baby is covered by fine, feathery pilus chosen lanugo and a waxy protective blanket called vernix.
• Eyebrows, eyelashes, fingernails, and toenails have formed. Your infant can fifty-fifty scratch itself.
• Your baby tin hear and swallow.
• At present halfway through your pregnancy, your baby is about 6 inches long and weighs most 9 ounces.

Second Trimester: The Baby at 24 Weeks

By 24 weeks, fifty-fifty more changes occur for your growing infant:

• The baby's os marrow begins to make blood cells.
• Gustation buds form on your babe's tongue.
• Footprints and fingerprints have formed.
• Hair begins to abound on your baby's head.
• The lungs are formed, but practise not still piece of work.
• Your baby has a regular sleep cycle.
• If your baby is a boy, his testicles brainstorm to descend into the scrotum. If your baby is a girl, her uterus and ovaries are in place, and a lifetime supply of eggs has formed in the ovaries.
• Your infant stores fat and weighs nigh 1½ pounds, and is 12 inches long.

Third Trimester

Third Trimester: Calendar week 29 – Week twoscore (birth)

3rd Trimester: Changes a Adult female May Feel

The tertiary trimester is the concluding stage of pregnancy. Discomforts that started in the second trimester will likely proceed, along with some new ones. As the babe grows and puts more pressure level on your internal organs, yous may find yous accept difficulty breathing and have to urinate more than often. This is normal and once yous give birth these problems should go away.

Third Trimester: Emotional and Physical Changes a Adult female May Experience

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

• Swelling of the ankles, fingers, and face up. (If you lot notice whatsoever sudden or extreme swelling or if you proceeds a lot of weight really chop-chop, phone call your doctor right away. This could exist a sign of a serious condition called preeclampsia.)
• Hemorrhoids
• Tender breasts, which may leak a watery pre-milk called colostrum
• Your belly button may protrude
• The babe "dropping," or moving lower in your abdomen
• Contractions, which can be a sign of real or fake labor
• Other symptoms yous may notice in the third trimester include shortness of jiff, heartburn, and difficulty sleeping

Third Trimester: Changes as the Due Date Approaches

Other changes are happening in your body during the third trimester that y'all can't meet. As your due engagement approaches, your cervix becomes thinner and softer in a process called effacement that helps the cervix open during childbirth. Your doc will monitor the progress of your pregnancy with regular exams, especially as you lot near your due date.

Third Trimester: The Baby at 32 Weeks

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

• Your infant's bones are soft but fully formed.
• Movements and kick increase.
• The eyes can open and shut.
• Lungs are non fully formed, but practice "breathing" movements occur.
• Your baby's body begins to store vital minerals, such equally fe and calcium.
• Lanugo (fine hair) begins to fall off.
• Your baby is gaining virtually ½ pound a week, weighs nearly four to 4½ pounds, and is about 15 to 17 inches long.

Third Trimester: The Baby at 36 Weeks

At 36 weeks, equally your due appointment approaches, your baby continues development:

• The protective waxy coating (vernix) thickens.
• Torso fat increases.
• Your baby is getting bigger and has less infinite to movement around. Movements are less forceful, but you volition nevertheless feel them.
• Your babe is about 16 to 19 inches long and weighs about six to half-dozen½ pounds.

Third Trimester: The infant at 37 to 40 Weeks

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

• Past the end of 37 weeks, your infant is considered full term.
• Your baby's organs are capable of functioning on their own.
• Every bit yous well-nigh your due date, your baby may turn into a head-downwardly position for birth.
• Average nascency weight is between half dozen pounds 2 ounces to ix pounds 2 ounces and boilerplate length is 19 to 21 inches long. Most full-term babies autumn inside these ranges, merely healthy babies come in many unlike weights and sizes.

Sources:

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REFERENCES:

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

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