- How Many Months Pregnant Are You At 21 Weeks?
- How Big Is Your Baby At 21 Weeks?
- Baby Development At 21 Weeks
- What Are The Symptoms Of 21 Weeks Of Pregnancy?
- Changes In The Body At 21 Weeks Of Pregnancy
- Your OB/GYN Visit
- Tips For Mom-To-Be
- Tips For Dad-To-Be
How Many Months Are 21 Weeks Of Pregnancy?
At 21 weeks, you are in the fifth month of pregnancy. By now, you would’ve felt your baby move a little, although these movements are infrequent and feel like you have butterflies in the stomach.
Here, MomJunction tells you more about how your body changes and your baby grows in the 21st week.
How Big Is Your Baby At 21 Weeks?
Baby Development At 21 Weeks
Here is how your baby’s body is developing in this week:
|Body parts||Developmental stage|
|Ears||The baby starts responding to sounds|
|Eyes (3)||Eyebrows and eyelashes are developing|
|Digestive system||Starts working|
|Skin||Covered with a waxy coating called vernix|
|Lanugo (4)||The body is covered with soft, fine hair|
|Mouth (5)||Taste buds develop, and the baby starts swallowing amniotic fluid|
|Circadian rhythms (6)||Heart rate, breathing pattern, and body movements follow a rhythmic pattern|
|Liver and spleen (7)||Make blood cells|
|Bone marrow||Developed and contributes to blood cell formation|
|Limbs||The kicks get stronger, and the baby constantly moves inside the womb|
|Gender||Can be determined through an ultrasound scan|
As the baby grows and develops new functions, you will experience certain symptoms. Read about that next.
[ Read: 22nd Week Pregnancy ]
What Symptoms Do You Experience In The 21stWeek Of Pregnancy?
Here are some common symptoms you might experience during this week:
- Weight gain: It should be based on your BMI (8).
|BMI||Below 18.5||18.5 – 24.9||25 – 29.9||30 and Above|
|Weight gain (Pounds)||10-16||9-15||6-12||4-9|
- Heartburn/indigestion: The gastric fluids in the stomach are pushed up into the esophagus due to the pressure exerted by the growing uterus, causing heartburn.
- Braxton Hicks contractions: These are irregular and less painful contractions that help prepare the body for labor.
- Increased appetite: The hunger pangs may increase, so have small meals at frequent intervals. Pack snacks or fruits for your office and eat them whenever you are hungry.
- Fast-growing nails: The hormonal changes and increased blood circulation provide extra nutrients to your hair and nails and make them grow faster.
- Backache: The extra weight of the baby puts pressure on the lower back causing backache.
- Edema: Water retention in the body causes swelling of hands and feet.
- Frequent urination: The pressure exerted by the growing uterus on the bladder increases the frequency of urination.
- Varicose veins: The extra blood flow to the lower part of the body causes the veins to swell.
Tip: Keep the legs elevated and avoid standing for long hours. Maintain a healthy weight during pregnancy and add more fiber to your diet to avoid constipation.
- Urinary tract infection (UTI): The extra pressure put on the bladder by the growing uterus can block the urine flow, causing UTI. Symptoms of UTI include:
- Pain or burning sensation while passing urine
- Urinating more frequently than before
- Pain or cramps in the pubic area
- Foul smelling or turbid urine
Tip: Drink plenty of water. Avoid holding urine for long as it promotes bacterial growth in the urinary tract.
[ Read: 23rd Week Pregnancy ]
Changes In The Body At 21 Weeks Of Pregnancy
- Enlarged belly: As the baby attains good growth by this week, the uterus enlarges and your belly bump shows.
- Enlarged breast: The breasts grow in size as the body starts preparing for milk production.
- Blue veins: The veins surrounding the breasts become more prominent due to an increased blood supply.
- Colostrum leak: The yellow fluids (the first milk) may start leaking from the nipples.
- Oily skin and acne: The hormonal changes cause excess production of sebum (oil produced from skin), resulting in acne.
Tips: Clean the face with lukewarm water and use oil-free creams and cosmetics. Wash your hair daily or as often as needed to remove the excess oil.
- Stretch marks: The skin stretches with the growing uterus, creating stretch marks. The skin may also become dry and itchy. Applying a good moisturizing lotion can help reduce the itchiness.
The symptoms you experience now are not all pleasant. But if they are making you uneasy, talk to your doctor about them during the regular prenatal visit.
Your OB/GYN Visit
In this week, the doctor will check the:
- Blood pressure
- Weight gain
- Fundal height
- Fetal heart rate
The doctor may also recommend a urine test, besides other tests, to determine the protein and sugar levels.
Test in the 21st week:
- Anomaly scan (9): This ultrasound scan is done to determine the physical abnormalities in the baby. It can check for 11 physical conditions including:
- Open spina bifida
- Diaphragmatic hernia
- Cleft lip
- Cardiac abnormalities
- Lethal skeletal dysplasia
- Bilateral renal agenesis
- Patau’s syndrome or T13
- Edwards’ syndrome or T18
Some of these conditions are more likely to be detected than some others.
- Maternal serum quad screen (10): This screening test will be done if you have missed the sequential screening tests in the first trimester. It checks for the level of four substances in the blood like alpha-fetoprotein (AFP), estriol, human chorionic gonadotropin, and inhibin-A. These tests detect Down syndrome and neural tube defects in babies.
Make sure you get all the recommended tests done and follow a healthy lifestyle. Next, we have a few tips for you on how to stay healthy in this week.
[ Read: 24th Week Pregnancy ]
Tips For Mom-to-be
Here are some tips for you to follow during this week:
- Drink plenty of water to stay hydrated.
- Eat small meals at regular intervals and have home cooked food.
- Add fruits, vegetables, dairy products, beans, and meat in the diet. Some recipes you can add to your diet include celeriac and watercress soup, and sweet apple lamb.
- Exercise moderately; walking is ideal to keep up your energy level.
- Maintain oral hygiene by brushing and flossing your teeth regularly.
- Avoid smoking, drinking alcohol, and using illicit drugs, as it can affect the growth of the fetus.
- Keep stress at bay.
- Wear loose, breathable clothes.
- Give your body enough rest.
- Do not take any medicines without the doctor’s permission.
- Avoid sitting with your legs crossed as it can cause a backache.
- Avoid oily and fatty foods and add more fiber to your diet. It helps reduce constipation.
- Wear comfortable footwear.
- Avoid sitting for long hours if you are working. Try to get up and walk around the office as often as you can.
- Enroll in childbirth classes to prepare for labor and delivery.
- Spend time with family and friends.
Whenever needed, seek your partner’s help and support.
Tips For Dad-to-be
Here are some tips for the dad-to-be:
- Share the household chores to lessen your burden.
- Create a pleasant environment at home.
- Accompany you to all prenatal visits.
- Go for maternal shopping or plan a romantic date.
- Give you a good neck or foot massage to ease your discomfort.
At 21 weeks, you are halfway through your pregnancy and experiencing a lot of new changes. Go through this phase as calmly and healthily as possible. Remember, the uneasiness is only temporary, and soon you will be holding the little one in your arms.
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