39 Weeks pregnant: Discharge, spotting & birth readiness

An illustration of a uterus and a fetus the size of a leek representing 39 weeks pregnant.
  • Updated Dec 3, 2024
  • Published

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Created with Hector Chapa, MD, FACOG, Clinical Assistant Professor of Obstetrics and Gynecology, USA

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In a nutshell
  • At 39 weeks pregnant, you are now called full term and your baby is ready to meet the world. At this stage, your baby is considered full-term and weighs approximately 3.2 kilograms (7 pounds), measuring about 20 inches long. 
  • Watch for labor signs, manage back pain, and prepare mentally for delivery while staying alert to symptoms like spotting or changes in discharge.
  • The labor signs to watch for: regular, intense contractions, water breaking, losing y, and lower back pain.

You’ve made it to 39 weeks pregnant—your baby’s due date is just around the corner, which is 40 weeks! While some women experience labor symptoms, others may not yet see signs of labor. Let’s explore week 39 of pregnancy, including labor signs, symptoms, and tips for managing anxiety as you prepare for delivery.

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39 Weeks pregnant symptoms

Here are common symptoms you may experience at 39 weeks:

  • Lower back pain: Increased pressure from your baby’s position can cause back discomfort.
  • White or milky discharge: This is normal as your cervix prepares for labor.
  • Spotting: Light spotting or pinkish discharge may occur after losing your mucus plug.
  • Nausea: Hormonal shifts and pressure on your stomach may bring back nausea.
  • Pelvic pressure: Your baby dropping lower into your pelvis can make sitting or walking uncomfortable.

👉Find out more: 38 Weeks pregnant: Labor readiness & emotional support

39 Weeks pregnant symptoms not to ignore

  • Heavy bleeding: Bright red blood may indicate a complication.
  • Reduced baby movements: A noticeable drop in activity requires immediate medical attention.
  • Severe back pain: Persistent, intense back pain could indicate back labor.
  • Frequent, painful contractions: Regular contractions signal that labor has started.
  • Watery vaginal discharge: May signal breakage of your bag of water.

Your body at 39 weeks pregnant

Your body is fully prepared for delivery, and you may notice changes like increased pelvic pressure or Braxton Hicks contractions becoming more intense. You might feel more fatigued as your baby positions for birth.

39 Weeks pregnant belly

Your belly will feel heavy, and the baby’s movements may feel slower but stronger as space becomes limited. Stretch marks and skin tightness are common due to your bump’s size.

Baby development at 39 weeks of pregnancy

At 39 weeks, your baby is fully developed and practicing skills like breathing, sucking, and gripping. They are also continuing to gain weight and develop fat stores for life outside the womb.

  • Weight: Around 3.2 kilograms (7 pounds).
  • Length: The size of your baby is approximately 20 inches, about the size of a leek.
  • Movements: You may notice strong but less frequent movements as your baby has less room.

39-Week ultrasound

A 39-week ultrasound may be recommended if you’re experiencing complications or to check your baby’s position and amniotic fluid levels.

Signs of labor at 39 weeks

Here are signs that labor may be near:

  • Losing your mucus plug: This jelly-like discharge often tinged with blood is a sign your cervix is dilating.
  • Regular, painful contractions: These contractions grow closer together and more intense over time.
  • Water breaking: A sudden gush or slow trickle of fluid signals that labor has begun.
  • Lower back pain: Persistent, intense back pain may be a sign of back labor.

If you’re unsure whether you’re in labor, contact your healthcare provider.

👉Find out more: 40 Weeks pregnant: Full-term baby, symptoms, and delivery prep

Health tips and self-care at 39 weeks pregnant

  • Track baby movements: Monitoring kicks helps ensure your baby is active and healthy.
  • Stay hydrated: Drinking up to 12 cups of water can help ease fatigue and prevent Braxton Hicks contractions.
  • Prepare for labor: Pack your hospital bag, confirm your transportation plan, and review your birth preferences.
  • Rest when possible: Save your energy for labor by taking naps and avoiding overexertion.
Your trusted partner for the Big Day

Join thousands of moms-to-be who trust Femia for expert-backed

guidance during pregnancy and beyond

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Questions from the Femia community

  • How many days should I stay in the hospital?

    The typical hospital stay for a vaginal delivery is 1-2 days, while a C-section may require 2-3 days. This can vary depending on your recovery and your baby’s health. Discuss your specific needs with your provider before delivery.

  • How to deal with delivery anxiety?

    Delivery anxiety is common and can be managed through preparation and relaxation techniques. Educate yourself about the labor process, create a flexible birth plan, and talk to your partner or provider about your concerns. Breathing exercises, meditation, and positive affirmations can also help reduce stress.

  • Is gas a sign of labor at 39 weeks?

    Gas or bloating isn’t a definitive sign of labor, but it can be caused by hormonal changes or digestive shifts as your baby moves lower into the pelvis. If accompanied by regular contractions or back pain, it may indicate labor is near.

  • What should I do if I’ve lost my mucus plug but have no contractions?

    Losing your mucus plug is a sign that labor may begin soon, but it doesn’t mean it will start immediately. Continue monitoring for other labor signs like contractions or water breaking, and contact your provider if you have concerns.

The bottom line

At 39 weeks, your baby is fully developed and ready for birth. While you may notice symptoms like pelvic pressure, back pain, or increased discharge, labor signs such as regular contractions, water breaking, or losing your mucus plug are key indicators that delivery is near. However, it’s normal for some women not to experience any labor signs at this stage.

It’s essential to stay attentive to your symptoms, especially if you notice reduced baby movements or unusual spotting, and promptly inform your healthcare provider. Use this time to finalize your birth plan, prepare your hospital bag, and ensure all practical arrangements are in place. Managing discomfort with light activity, hydration, and rest can help you conserve energy for labor. Regular communication with your provider will ensure both you and your baby are ready for the upcoming delivery.

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