34 Weeks pregnant: Baby development, symptoms, and preterm labor signs

An illustration of a uterus and a fetus the size of a cantaloupe representing 34 weeks pregnant.

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Created with Natasha Lowe Osho, MD, Obstetrician-Gynecologist, USA

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In a nutshell

At 34 weeks pregnant, your baby is nearing full-term readiness, while your body is preparing for labor. They weigh approximately 2.3 kilograms and measure about 18 inches, roughly the size of a cantaloupe. Watch for symptoms like cramping or preterm labor signs and focus on staying comfortable and prepared.

Welcome to week 34 of your pregnancy! At this stage, your baby is almost fully developed and practicing vital skills for life outside the womb. As your body prepares for delivery, you might notice new symptoms or a very active baby. Let’s dive into what’s happening with your baby, your body, and how to manage this exciting phase of week 34 of pregnancy.

Curious about the late stages of pregnancy development?

Femia decodes your body’s signals and helps you track progress effortlessly

34 Weeks pregnant symptoms

Here are the common symptoms you may experience at 34 weeks:

  • Braxton Hicks Contractions: These practice contractions may increase in frequency but are irregular and painless.
  • Fatigue: Carrying extra weight can make you feel more tired.
  • Swelling (Edema): Mild swelling in the feet and ankles is common due to fluid retention.
  • Heartburn: Hormonal changes and pressure on your stomach can cause acid reflux.
  • Back pain: The weight of your growing belly can strain your back.
  • Very active baby: Your baby’s movements may feel stronger and more coordinated as they grow.

Braxton Hicks contractions vs true labor

AspectBraxton Hicks ContractionsTrue Labor
FrequencyIrregular, not progressively closer togetherRegular intervals, getting closer together
IntensityWeak, often described as mild discomfortIncreases in strength over time
DurationShort, usually lasting less than 30 secondsLonger, lasting 30-70 seconds per contraction
Location of PainFelt mainly in the front of the abdomenStarts in the back and radiates to the front
Effect of MovementStops or decreases with activity or a change in positionContinues regardless of movement or position changes
Cervical ChangesDoes not cause dilation or thinning of the cervixCauses the cervix to dilate and thin out (effacement)

34 Weeks pregnant symptoms not to ignore

  • Cramping: Persistent or painful cramps could indicate preterm labor.
  • Regular, painful contractions: Contractions that occur at regular intervals and increase in intensity may signal labor.
  • Severe swelling: Especially in the face or hands, this could be a sign of preeclampsia.
  • Reduced baby movements: If your baby’s activity decreases significantly, contact your doctor immediately.

Your body at 34 weeks pregnant

Your growing bump is now prominent, and your body is working hard to support your baby’s rapid development. You may notice more pelvic pressure as your baby settles lower into position for birth.

34 Weeks pregnant in months

You are approximately 8.5 months pregnant, with just six weeks left until your due date.

34-Week pregnant belly

Your belly is likely heavier and more round. Some women notice itching or tightness as their skin stretches—moisturizers can help ease this discomfort.

Baby development at 34 weeks of pregnancy

At 34 weeks, your baby is practicing essential skills like breathing, sucking, and swallowing. Their brain and lungs continue to mature, and they’re gaining fat to help regulate their body temperature after birth. 

Baby at 34 weeks

  • Weight: About 2.3 kilograms (5 pounds).
  • Length: The fetus size is approximately 18 inches, similar to a cantaloupe.
  • Movements: You may feel distinct patterns of activity, including stretches, kicks, and rolls.

34-Week ultrasound

A 34-week ultrasound may be recommended if your provider needs to check growth, amniotic fluid levels, or your baby’s position. You might see your baby’s facial expressions and more refined movements during this scan.

34-Week preemie: What to expect

A baby born at 34 weeks is considered late preterm and typically has a survival rate of over 99% with proper medical care.

Development and care:

  • Lungs: Usually developed enough for independent breathing but may need support.
  • Feeding: Some babies may require assistance until their sucking reflex fully matures.
  • NICU support: Care may include monitoring for temperature regulation and potential jaundice.

Most babies born at 34 weeks thrive with minimal intervention and catch up developmentally with their peers within a few months.

Tests to expect at 34 weeks pregnant

Routine tests help monitor your health and your baby’s progress:

  • Blood pressure check: Screens for preeclampsia or hypertension.
  • Fetal heartbeat and movements: Your provider will listen to your baby’s heartbeat and ask about their activity.
  • Urine test: Checks for protein and glucose, which can indicate preeclampsia or gestational diabetes.
  • Fundal height measurement: Ensures your uterus is growing appropriately.
  • Group B strep (GBS) test: This test may be done between 34-36 weeks to check for GBS bacteria, which could affect delivery.

👉Find out more:

Week 35 pregnancy: Symptoms, baby milestones, and delivery prep

36 Weeks pregnant: Baby weight, discomfort relief, and delivery prep

Health tips and self-care at 34 weeks pregnant

  • Rest frequently: Listen to your body and take breaks when needed.
  • Track baby movements: Monitoring activity helps ensure your baby is healthy and active.
  • Stay hydrated: Drinking plenty of water can reduce swelling and support circulation.
  • Prepare for labor: Familiarize yourself with signs of labor and practice relaxation techniques like deep breathing. 
Curious about the late stages of pregnancy development?

Femia decodes your body’s signals and helps you track progress effortlessly

Questions from the Femia community

  • How far apart should contractions be?

    Early labor contractions are typically 15-20 minutes apart and become progressively closer, around 5 minutes apart, as labor intensifies. Active labor contractions are consistent, lasting 45-60 seconds each. If your contractions are regular and 5 minutes apart or less, contact your healthcare provider or head to the hospital.

  • What questions should I ask my partner before giving birth?

    Discuss their role during labor: Will they provide physical support, such as back massages, or focus on emotional reassurance? Clarify their comfort level with medical procedures, like cutting the umbilical cord or being in the delivery room. Also, plan post-birth responsibilities, such as nighttime care, diaper changes, and feeding support, to ensure clear communication and teamwork.

The bottom line

At 34 weeks pregnant, your baby is nearing full-term readiness, and your body is preparing for delivery. Monitor symptoms, discuss birthing plans with your partner, and familiarize yourself with labor signs to feel confident and prepared as you approach the final weeks.

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