39-Week Pregnancy

Your Baby at 39 Weeks of Pregnancy

Welcome to the 39th week of your pregnancy! Birth is now very close, and your baby is counting the days to enter the world. At this stage, your baby’s systems are almost fully developed and ready for birth.

Size and Weight:
At 39 weeks, your baby is approximately 50–51 cm long and weighs around 3200 grams.

Organ Development:
Your baby’s organs are mature. The lungs are fully developed with sufficient surfactant production. The heart is beating strongly, and circulation is well established. The brain is rapidly growing, and the nervous system continues to develop. Bone marrow is producing red blood cells. The immune system is developing, and antibodies passed from you provide protection against some infections. The liver and kidneys are also mature. Nails have grown, and hair has thickened. The skin is smoother, and the white, creamy substance called vernix caseosa is starting to decrease. The intestines are filled with meconium (first stool).

Sensory Development:
Your baby’s senses are developed. Eyes can open and close, and pupils react to light. They can focus on nearby objects. Hearing is functional, and different sounds can be distinguished. Your baby responds to sounds in the womb, including music and especially the voices of parents. Taste buds are developed, allowing them to sense the flavor of amniotic fluid. Touch is also well developed, and your baby can feel the uterine wall, umbilical cord, and their own body.

Movements:
At 39 weeks, your baby has less room in the womb, so movements may feel less frequent than in previous weeks. However, the intensity and type of movements can vary. Your baby may still kick, roll, and hiccup. It is important to monitor movements and contact your doctor if you notice any changes.

Position:
Most babies are head-down at this stage, the optimal position for birth. If your baby is not yet head-down, your doctor may suggest exercises or techniques to help the baby turn, including an external cephalic version (manually turning the baby from outside the abdomen).

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Changes in the Mother at 39 Weeks of Pregnancy

At 39 weeks of pregnancy, your body also undergoes many changes.

Physical Changes:

  • Growing belly: Your abdomen may have grown further and shifted downward.
  • Weight gain: Gaining an average of 13–18 kg by this week is normal.
  • Breast enlargement: Your breasts continue to grow, and colostrum production increases.
  • Skin changes: Spots, stretch marks, or visible veins may appear on your skin.
  • Changes in hair and nails: Hair may become thicker and shinier, and nails may grow faster.
  • Other changes: Varicose veins, swelling (edema), back pain, constipation, indigestion, heartburn, headaches, dizziness, shortness of breath, nosebleeds, numbness in hands and feet, sleep problems, snoring, leg cramps, carpal tunnel syndrome, hot flashes, sweating, fatigue, forgetfulness, hemorrhoids, urinary incontinence, pelvic pain, nausea, vomiting, reflux, insomnia, palpitations, anemia, pelvic pressure, hand and foot swelling, restless leg syndrome, frequent urination, and other discomforts may occur.

Emotional Changes:

  • Emotional fluctuations: Hormonal changes may cause mood swings.
  • Anxiety and worry: You may feel anxious or worried about your baby’s health, birth, and parenting.
  • Nesting instinct: The nesting instinct may increase, making you want to prepare your home for the baby.
  • Maternal instinct: The maternal instinct continues to develop, and your desire to bond with your baby grows. Feeling your baby’s movements helps strengthen this bond.
  • Excitement and impatience: You may feel excitement and impatience as birth approaches.
  • Fear and uncertainty: Feeling fear and uncertainty about the birth process is normal.

Nutrition at 39 Weeks of Pregnancy

Eating a healthy and balanced diet throughout pregnancy is very important for both your health and your baby’s health. As birth approaches, your baby’s energy needs increase, and it is important to pay attention to your diet to meet these needs.

Essential Nutrients:

  • Protein: Adequate protein intake is important for your baby’s rapid growth. Sources include meat, chicken, fish, eggs, dairy products, legumes, and nuts.
  • Calcium: Calcium is necessary for your baby’s bone development. Sources include milk and dairy products, leafy green vegetables, almonds, and calcium-fortified foods.
  • Iron: Your iron needs increase due to increased blood volume. Sources include red meat, dried legumes, leafy greens, and dried fruits.
  • Folic Acid: Folic acid reduces the risk of neural tube defects. Sources include leafy green vegetables, legumes, grains, and folic acid supplements.
  • Omega-3 Fatty Acids: Omega-3 fatty acids are important for your baby’s brain development. Sources include salmon, tuna, walnuts, and flaxseeds.
  • Fiber: Fiber helps prevent constipation. Sources include fruits, vegetables, whole grains, and legumes.
  • Vitamin C: Vitamin C enhances iron absorption and strengthens the immune system. Sources include citrus fruits, strawberries, kiwi, broccoli, and tomatoes.

Foods to Avoid:

  • Mercury-rich fish: Avoid fish such as swordfish, shark, and mackerel that contain high levels of mercury.
  • Raw or undercooked meat and eggs: These increase the risk of food poisoning.
  • Unpasteurized milk and cheese: They may contain harmful bacteria.
  • Alcohol: Alcohol can harm your baby’s development.
  • Smoking: Smoking increases the risk of miscarriage, preterm birth, and other pregnancy complications.
  • Excessive caffeine: High caffeine intake may increase the risk of miscarriage.
  • Processed foods: These are high in sugar, salt, and saturated fats and are unhealthy.

Determining Baby’s Gender at 39 Weeks of Pregnancy

Your baby’s gender should have already been determined in the earlier weeks through ultrasound scans.

Ultrasound at 39 Weeks of Pregnancy

At 39 weeks, routine ultrasound scans are generally not performed. However, your doctor may request an ultrasound to assess your baby’s development, check the amount of amniotic fluid, evaluate placental placement, or diagnose any potential issues. Ultrasound can also be used to determine your baby’s birth position.

Things to Pay Attention to at 39 Weeks of Pregnancy

At 39 weeks, it is important to take certain precautions to protect your health and support your baby’s development.

Signs of Labor:

Some signs that labor is approaching include:

  • Bloody show: As your cervix softens and thins, the cervical mucus plug may be expelled. This can appear as a pink or bloody discharge.
  • Water breaking: Rupture of the amniotic sac can cause sudden, large gushes of fluid or a slow trickle.
  • Contractions: True labor contractions are regular, increasingly intense, and frequent.

If you notice any of these signs, contact your doctor immediately.

Braxton Hicks Contractions:

Braxton Hicks contractions are practice contractions of the uterus. They are usually irregular, painless, and short-lived. If they become regular and painful, inform your doctor.

Gestational Diabetes:

If diagnosed, blood sugar levels should be managed through diet, exercise, and, if necessary, medication.

Preeclampsia:

Preeclampsia is characterized by high blood pressure and protein in the urine during pregnancy. It is serious for both mother and baby and requires immediate treatment. Symptoms may include headaches, vision changes, swelling of the face or hands, abdominal pain, and nausea.

Other Recommendations:
  • Avoid lying on your back: Your growing uterus can compress major blood vessels, causing dizziness or fainting. Lie on your left side.
  • Avoid tight clothing: Tight clothes can restrict circulation and cause discomfort.
  • Choose comfortable shoes: Opt for flat, supportive shoes instead of high heels or pointed shoes.
  • Moisturize your skin: Pregnancy can cause dry, itchy skin; regular moisturizing helps.
  • Maintain dental hygiene: Pregnancy hormones can make gums sensitive; brush and floss regularly.
  • Sexual activity: Safe unless your doctor advises otherwise.
  • Track your baby’s movements: Monitor your baby’s activity, and contact your doctor if movements decrease or change.
  • Participate in prenatal exercises: Helps prepare your body for labor and keeps you fit.
  • Attend childbirth education: Gain knowledge about labor and delivery.
  • Prepare baby items and nursery: Ensure a safe and comfortable environment for your newborn.
  • Make a birth plan: Helps communicate your preferences to the birth team.
  • Spend time with your partner: Emotional support is important for both of you.
  • Take time for yourself: Relaxation activities like reading, music, baths, or meditation are beneficial.
  • Pack your hospital bag: Include comfortable clothes, slippers, hygiene products, nursing bras, and baby essentials.
  • Plan for postpartum support: Consider help at home, breastfeeding consultation, or a babysitter.
  • Consult your doctor for shortness of breath: A growing uterus can press on your diaphragm.
  • Pay attention to sleep positions: Sleeping on your left side improves blood flow to the baby and kidney function.
  • Accept body changes: Embrace and care for your changing body.
  • Learn labor signs: Recognize signs like bloody show, water breaking, and contractions.
  • Read books on childbirth and parenting: Gain knowledge and prepare for the new stage.
  • Join postpartum support groups: Connect with other mothers and share experiences.
  • Discuss labor concerns with your doctor: Address any fears or questions openly.
  • Prepare your hospital bag: Include items needed during labor and postpartum care.

Pregnancy Follow-Up at A Life Health Group

A Life Health Group has a team of experienced obstetrics and gynecology specialists specializing in pregnancy follow-up. We provide personalized pregnancy monitoring services to expectant mothers and their babies using the latest technologies and methods.

Our Services:

  • Examination by obstetrics and gynecology specialists
  • Ultrasonography (including detailed ultrasound scans)
  • Prenatal tests (NST)
  • Pregnancy education and counseling
  • Childbirth preparation courses
  • Labor and postpartum services
  • Breastfeeding counseling
  • Baby care training

Experience a healthy pregnancy with A Life Health Group!

Prepared by A Life Medical Editorial Board.

Last Updated: 6 Kasım 2025 14:05

Publish Date: 6 Kasım 2024 17:00

39-Week Pregnancy

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