Health Care

What Are The 3 Trimesters Of Pregnancy

Story Highlights
  • How Soon Can You Tell If You Are Pregnant?
  • Pregnancy Weight Gain
  • Pregnancy Weight Gain Distribution
  • What Are The 3 Trimesters Of Pregnancy

How long does it take for a baby to be born? What are the 3 trimesters of pregnancy? A typical pregnancy lasts 40 weeks from the first day of your last menstrual period (LMP) to the birth of the baby.

It is divided into three stages, called trimesters: first trimester, second trimester, and third trimester. The fetus undergoes many changes throughout maturation.

How Soon Can You Tell If You Are Pregnant?

A skipped period is always the first indication that you’re pregnant, but how can you be sure? Many women use home pregnancy tests to determine whether or not they are pregnant; nevertheless, these tests are more accurate if taken at least one week following a woman’s last period.

It’s possible that the test will give you a misleading result if you take it less than 7 days before your last menstrual cycle. If the test comes back positive, you’re more than likely pregnant.

If the test is negative, however, there is a greater likelihood that it is incorrect. A blood test by your doctor can detect pregnancy earlier than a home pregnancy test.

Pregnancy Weight Gain

The amount of weight a woman should gain during pregnancy is determined by her pre-pregnancy body mass index (BMI). Normal-weight women should gain between 25 and 35 pounds.

Women who were underweight previous to pregnancy should gain more weight during their pregnancy. Pregnant women who are overweight or obese should gain less weight.

During the first trimester, a normal-weight woman who exercises less than 30 minutes per week should consume 1,800 calories per day, 2,200 calories during the second trimester, and 2,400 calories during the third trimester.

Pregnancy Weight Gain Distribution

During pregnancy, women acquire weight all over their bodies. By the end of the pregnancy, the foetus weighs roughly 7.5 pounds.

The placenta, which feeds the baby, is around 1.5 pounds in weight. The uterus is 2 pounds in weight. A woman acquires approximately 4 pounds as a result of increased blood volume and another 4 pounds as a result of increased fluid in the body.

During pregnancy, a woman’s breasts grow by 2 pounds. The infant is surrounded by 2 pounds of amniotic fluid. Excess protein, fat, and other nutrients cause a woman to gain around 7 pounds. The total weight of all of these items is around 30 pounds.

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Pregnancy Complications

As the foetus grows, pregnant mothers may face specific difficulties and symptoms. Anemia, urinary tract infection, and mood swings are all possibilities.

Preeclampsia is a condition in which a pregnant woman’s blood pressure rises, increasing the chance of preterm delivery and associated risks to the infant.

During the first 12 weeks of pregnancy, severe morning sickness, also known as hyperemesis gravidarum, produces persistent nausea and vomiting.

This can cause weight loss and dehydration in the first trimester, necessitating IV fluids and antinausea medicine. Pregnant women should be informed that gestational diabetes is a risk.

Excessive thirst and hunger, increased urination, and weariness are all symptoms. Obesity and weight gain are potential side effects of pregnancy, especially as it advances.

Although it is normal for women to gain weight during pregnancy, excessive weight gain may be linked to symptoms that put both the mother and the baby at danger. Consult your doctor about how much weight you should acquire while pregnant.

What Are The 3 Trimesters Of Pregnancy

The first trimester lasts from conception to roughly the 12th week of pregnancy. The second trimester lasts 13 to 27 weeks, while the third trimester begins about 28 weeks and ends until the baby is born. During each trimester, this article show will detail what happens to both the mother and the baby.

1 st Trimester Of Pregnancy

First Trimester: Week 1 (conception) – Week 12

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First Trimester: Early Changes in a Woman’s Body

The first trimester is when you start to notice the early signs of pregnancy. A missed period could be the first clue that fertilizations and implantation have taken place, that ovulation has stopped, and that you are pregnant. Other adjustments will occur as well.

Physical and Emotional Changes a Woman May Experience During First Trimester

Almost every organ in the body will be affected by hormonal fluctuations. Symptoms such as these are common early pregnancy indications in many women:

  • Extreme fatigue
  • Tender, swollen 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

Changes in a Woman’s Daily Routine During First Trimester

Some of the changes you’ll notice throughout your first trimester may prompt you to make modifications to your regular routine. You might need to go to bed earlier or eat smaller, more frequent meals.

Some women have a lot of discomfort, while others have none at all. Even if they’ve been pregnant before, pregnant women have different experiences. Pregnant women may have completely different emotions with each pregnancy.

First Trimester: The Baby at 4 Weeks

Your baby’s development at 4 weeks is as follows:

  • The neurological system (brain and spinal cord) is starting to take shape.
  • The heart begins to take shape.
  • Arm and leg buds start to form.
  • Your kid is now an embryo, measuring 1/25 inch in length.

First Trimester: The Baby at 8 Weeks

The embryo begins to develop into a foetus at the age of eight weeks. The development of the foetus is visible:

  • All of the major organs have started to form.
  • The heart of the newborn starts to beat.
  • The length of the limbs and legs increases.
  • The formation of fingers and toes has begun.
  • The formation of sex organs begins.
  • The features of the face begin to emerge.
  • The umbilical cord can be seen plainly.
  • Your baby is a foetus at the end of 8 weeks, measuring nearly 1 inch long and weighing less than 1/8 ounce.

First Trimester: The Baby at 12 Weeks

At this time in your baby’s growth, the end of the first trimester is about week 12:

  • The nerves and muscles start to cooperate. Your child is able to create a fist.
  • Your baby’s visible sex organs will reveal whether he or she is a male or a girl.
  • To safeguard the developing eyes, the eyelids close. They won’t reopen until the 28th week.
  • Your baby is about 3 inches long and weighs almost an ounce, and his head growth has paused.

2nd Trimester Months

Second trimester: Week 13 – Week 28

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Second Trimester: Changes a Woman May Experience

You may discover that the second trimester is easier than the first. Your nausea (morning sickness) and exhaustion may become less severe or disappear entirely.

Read Also: Diabetes During Pregnancy: Highest Risks to the baby

Your body, on the other hand, will undergo more alterations. As your abdomen expands to accommodate the growing baby, the “baby bump” will appear. You’ll be able to feel your baby move before the end of the second trimester!

Physical and Emotional Changes in a Woman During Second Trimester

In the second trimester, you may notice the following changes in your body:

  • Aches and pains in the back, abdomen, groyne, or thigh
  • Stretch marks on the abdomen, breasts, thighs, or buttocks are a common occurrence.
  • Skin discoloration around your nipples
  • A cutaneous line that runs from the belly button to the pubic hairline (linea nigra)
  • Darker patches of skin, generally on the cheekbones, forehead, nose, or upper lip. This is sometimes referred to as the pregnant mask (melasma, or Chloasma facies).
  • Hands that are numb or tingling (carpal tunnel syndrome)
  • The tummy, palms, and soles of the feet itch. (If you develop nausea, loss of appetite, vomiting, skin yellowing, or exhaustion with itching, call your doctor.) These symptoms could indicate a liver disease.)
  • The ankles, fingers, and cheeks swell. (Call your doctor right away if you notice any sudden or excessive swelling or if you gain a lot of weight suddenly.) This could be an indication of preeclampsia, a dangerous condition.)

Second Trimester: The Baby at 16 Weeks

Your baby continues to develop as your body changes in the second trimester:

  • The musculoskeletal system is still developing.
  • The skin starts to develop and becomes practically transparent.
  • In your baby’s intestinal tract, meconium forms. Your infant will have his or her first bowel movement.
  • Your kid will start sucking with his mouth (sucking reflex).
  • Your baby is 4 to 5 inches long and nearly 3 ounces in weight.

Second Trimester: The Baby at 20 Weeks

Your baby’s development continues around around 20 weeks in the second trimester:

  • Your child is becoming more active. It’s possible that you’ll sense movement or kicks.
  • Lanugo, a fine, feathery hair, and vernix, a waxy protective layer, cover your baby’s skin.
  • Eyebrows, lashes, fingernails, and toenails have all grown in. Even your newborn has the ability to scratch themselves.
  • Your infant has the ability to hear and swallow.
  • Your baby is around 6 inches long and weighs about 9 ounces at this point in your pregnancy.

Second Trimester: The Baby at 24 Weeks

By the time your baby is 24 weeks old, he or she has undergone even more changes:

  • The bone marrow of the baby begins to produce blood cells.
  • Your baby’s tongue develops taste buds.
  • Fingerprints and footprints have appeared.
  • The hair on your baby’s head starts to grow.
  • The lungs are created, although they are not yet functional.
  • Your infant sleeps in a predictable pattern.
  • Your baby’s testicles will begin to descend into the scrotum if he is a boy. If your baby is a female, her uterus and ovaries are in place, and the ovaries have created a lifelong supply of eggs.
  • Your baby is roughly 112 pounds and 12 inches long, and stores fat.

Last Trimester

Third Trimester: Week 29 – Week 40 (birth)

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Third Trimester: Changes a Woman May Experience

The third trimester of pregnancy is the last period of the pregnancy. Discomforts that began in the second trimester are likely to persist, as well as some new ones.

You may have difficulty breathing and need to urinate more frequently as the baby grows and puts greater strain on your internal organs. This is normal, and these issues should subside once you give birth.

Emotional and Physical Changes a Woman May Experience During Third Trimester

You will notice additional physical changes in the third and final trimester, including:

  • The ankles, fingers, and cheeks swell. (Call your doctor right away if you observe any sudden or excessive edema or if you gain a lot of weight very rapidly.) This could be an indication of preeclampsia, a dangerous condition.)
  • Hemorrhoids
  • Tender breasts that may leak colostrum, a fluid pre-milk.
  • It’s possible that your belly button will protrude.
  • The baby has begun to “drop,” or move lower in your abdomen.
  • Contractions can be an indication of genuine or fictitious labour.
  • Shortness of breath, heartburn, and difficulty sleeping are some of the other symptoms you could encounter throughout the third trimester.

Third Trimester: Changes as the Due Date Approaches

Other changes in your body that you can’t see are taking place throughout the third trimester. As your due date approaches, your cervix thins and softens in a process known as effacement, which aids in the opening of the cervix during birthing.

Regular exams will be performed by your doctor to track the progress of your pregnancy, especially as you approach your due date.

Third Trimester: The Baby at 32 Weeks

Your baby’s development continues at 32 weeks in the third trimester:

  • The bones of your kid are soft but fully formed.
  • The number of movements and kicks increases.
  • The eyes have the ability to open and close.
  • Although the lungs are not fully formed, practice “breathing” movements are made.
  • The body of your baby begins to accumulate critical minerals like iron and calcium.
  • Lanugo (fine hair) starts to shed.
  • Your kid is growing at a rate of around 12 pounds per week, weighs 4 to 412 pounds, and measures 15 to 17 inches in length.

Third Trimester: The Baby at 36 Weeks

As your due date approaches at 36 weeks, your baby continues to develop:

  • The waxy covering (vernix) that protects the skin thickens.
  • The amount of fat on your body grows.
  • Your kid is becoming bigger, which means he or she has less room to maneuver around. Although the movements are less powerful, you will still feel them.
  • Your baby measures 16 to 19 inches in length and weighs 6 to 612 pounds.

Third Trimester: The baby at 37 to 40 Weeks

Finally, between 37 and 40 weeks, your baby’s development reaches its pinnacle:

  • Your baby is considered full term when he or she is 37 weeks old.
  • The organs of your baby are capable of operating independently.
  • Your baby may change into a head-down position for birth as you get closer to your due date.
  • The usual birth weight is between 6 and 9 pounds 2 ounces, and the average length is between 19 and 21 inches. The majority of full-term babies fit within these parameters, however healthy babies come in varied shapes and sizes.

Conclusion

Pregnancy is a moment in your life unlike any other. It’s critical to see your doctor on a regular basis to get the best results.

Pregnant women who receive regular prenatal care have considerably better outcomes for their babies.

You’re doing everything that you can to give your baby a healthy start in life by taking prenatal vitamins, going to every doctor’s appointment, and getting all suggested testing.

Disclaimer

The contents, such as text, graphics, photos, and other material (“Content”), are provided solely for informational reasons. The information provided is not intended to replace professional medical advice, diagnosis, or treatment. If you have any questions about a medical problem, always seek the counsel of your physician or another certified health expert. Never overlook or postpone obtaining expert medical advice because of something you read on the this website!

People May Ask 3

Q- Which trimester of pregnancy is the most difficult?

A- The first trimester of pregnancy can frequently be the hardest. Hormones, excessive exhaustion, nausea and vomiting, painful breasts, and the constant need to pee make creating a human a difficult task.

Q- Is the first trimester three months long?

A- The term trimester refers to a period of three months. This can be perplexing because a typical pregnancy lasts 40 weeks, which is somewhat longer than nine months. The first trimester lasts from conception through week 14 of pregnancy. The second trimester lasts from week 14 to week 28 of pregnancy. From week 28 till labor and delivery, you’re in the third trimester.

Q- Which trimester is the most difficult for you to lose weight?

A- You’d anticipate to gain the same amount in both the second and third trimesters because they’re both roughly 13 weeks long. Weight gain slows or quits for many women in the last month. As a result, most pregnant women acquire the most weight in the second trimester.

Q- What week is the most common for miscarriage?

A- The majority of miscarriages occur before the 12th week of pregnancy in the first trimester. Miscarriage occurs in 1 to 5 of every 100 (1 to 5%) pregnancies in the second trimester (between 13 and 19 weeks). Half of all pregnancies may result in a miscarriage.

Q- Which week of pregnancy is the most crucial?

A- During the first 12 weeks of pregnancy, the foetus is most vulnerable. All of the major organs and body systems are forming at this time, and medicines, infectious agents, radiation, some medications, tobacco, and poisonous substances can harm the foetus.

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