Welcome to week 37 of your pregnancy journey! Reaching this milestone means your little baby is almost ready to enter the world. You might feel a mix of excitement, wonder, and a little bit of nervous anticipation right now. That is completely normal.
Let us explore how your baby is growing this week, what changes happen to your body and mind, and what important steps you should take now. This guide provides clear, practical details to help you navigate this final stretch with confidence and peace of mind.
Key Takeaways for Week 37.
- Your baby is considered early term at week 37 and is nearly fully developed.
- Baby is gaining about 14 grams or half an ounce of protective fat every day.
- Your lungs are getting ready, and Braxton Hicks contractions may happen more often.
- Keep your hospital bag packed and watch closely for true labor signs.
- Call your doctor right away if you notice sudden swelling or decreased baby movement.
Baby's due date (EDD)
Calculate the due date based on the last menstrual period
How Your Baby Is Growing This Week.
Your little baby inside your womb is mostly fully developed now. Every single day brings them closer to meeting you.
Tiny Hand Skills and Sensory Responses.
Imagine this: your baby is now skilled enough to grasp things with their tiny fingers. They might play with their own fingers, toes, or even the umbilical cord. If a bright light shines through your uterus, your baby might turn their head toward that light. It is amazing how sensitive they have become!
Weight Gain and Body Fat.
Starting this week, your baby gains about 14 grams, or roughly half an ounce, in weight every day. The main reason for this weight gain is the buildup of body fat. This stored fat helps keep your baby warm and gives them energy after birth.
On average, newborn boys tend to weigh slightly more than newborn girls, though every baby is unique. Your baby now weighs between 2.8 and 3 kilograms (about 6 to 6.5 pounds) and measures around 48 centimeters or 19 inches long. They are roughly the size of a small pumpkin right now.
The fat building up on your baby's body plays a vital role in protecting them from the cold and maintaining their body temperature during those crucial first days after birth.
Are the Lungs Ready and How is the Brain Growing?
You will be glad to know that by this week, your baby's lungs are mostly ready to breathe outside air. A special substance called surfactant forms inside the lungs. This substance stops the lungs from sticking together and helps them expand properly when your baby takes their first breath.
Because surfactant production is at a good level by week 37, a baby born this week is very likely to breathe without major breathing issues. Your baby's brain and nervous system are also still growing rapidly.
The bones in your baby's skull are still not fused together completely. This flexibility allows the head shape to adjust slightly for an easier journey through the birth canal. Also, the fine downy hair called lanugo covering your baby's body has mostly disappeared, though some babies still have a bit on their shoulders and back.
The white, creamy coating called vernix caseosa that protected your skin is also fading away, though some may remain in skin folds to protect your baby's delicate skin.
How Your Body and Mind Feel This Week.
You have reached the final few weeks. You are likely having a wide variety of physical and emotional changes.
Early Term and Baby Dropping.
Doctors refer to the period from week 37 to 38 weeks and 6 days as early term. This means that if your baby is born during this window, they are mature enough to live healthily outside the womb. However, full term spans from week 39 to 40 weeks and 6 days, which is the ideal time for birth. Regardless, week 37 means your baby can get ready to arrive at any time.
You might notice that your baby has moved slightly lower into your pelvis. This shift is known as lightening. Because this movement reduces pressure on your lungs, breathing becomes a bit easier, and heartburn may decrease.
However, since the baby moves lower down, pressure on your bladder increases. This means you will likely need to use the restroom much more often.
Braxton Hicks and True Labor.
During this time, Braxton Hicks contractions, often called false labor, can happen more often and feel stronger. These contractions act as practice workouts for your uterus. These cramps typically share specific traits:
- They do not follow a regular schedule and fade away after a short time.
- They often ease up when you change positions, drink a glass of water, or walk slowly.
- The pain level is generally mild to moderate.
However, true labor is quite different, and we will cover those signs next.
Common Discomforts and Changes.
- Pelvic Pressure and Backache: Extra weight and the baby moving lower create added pressure on your lower belly, groin, and back.
- Vaginal Discharge: You might notice an increase in vaginal discharge, which can look white or yellowish. However, if it smells bad, changes color, or causes itching, talk to your doctor.
- Mucus Plug: You may notice a thick, jelly-like discharge, sometimes tinged with pink or brown blood. This is your mucus plug. It blocks your cervix and releases when the cervix begins to open. Passing the mucus plug does not mean labor starts instantly, but it often signals that birth is near.
- Swelling: Mild swelling in your hands and feet is common now. Avoid staying in one position too long, keep your feet elevated, and drink plenty of water. However, if your face and hands swell suddenly, your vision blurs, or you get a severe headache, contact your doctor right away, as these can be signs of preeclampsia.
- Trouble Sleeping: Sleeping can become quite a challenge. A large belly makes it hard to find a comfortable position, bathroom trips are frequent, leg cramps occur, and mental anxiety builds up. Try sleeping on your left side with a pillow between your knees for comfort.
- Nesting Instinct: You might suddenly feel a strong urge to clean your house, organize baby clothes, prepare items, and tidy rooms. This natural urge is called the nesting instinct. Just remember not to overwork yourself.
Clinical vitamins and nutritional supplements
Clinically proven high quality vitamins, minerals and immune nutritional supplements.
Check Availability →Things You Need to Prepare This Week.
The big day is only days away now. Keep these important practical preparations in mind.
Hospital Bag and Essentials.
Double-check your hospital bag to make sure everything is ready. Confirm that you have clothes for yourself and your baby, personal care items, diapers, medical records, and your identification card. Also, plan your transportation to the hospital and make sure you know the route clearly.
Recognizing True Labor Signs.
Pay close attention to these signs to know if true labor has started:
- Contractions: Unlike Braxton Hicks, true contractions arrive in a regular pattern. They grow progressively stronger, the time gap between them shortens, and each contraction lasts longer. They often start as lower back pain wrapping around to your abdomen. Changing positions or walking does not make them stop.
- Water Breaking: You might experience a sudden gush or a slow leak of amniotic fluid from your vagina. If this happens, go to the hospital right away, even if you do not feel contractions.
- Bloody Show: Passing a mucus plug mixed with pink or brownish blood is another sign that labor is near.
If you notice these signs, call your doctor or head to the hospital right away. Also, if your baby's movements decrease suddenly or drop below 10 movements in a day, contact your doctor right away.
| Feature. | Braxton Hicks (False Labor). | True Labor Contractions. |
|---|---|---|
| Timing. | Irregular, do not get closer together. | Regular, get closer together over time. |
| Strength. | Usually stay mild or fizzle out. | Grow steadily stronger and more intense. |
| Movement Relief. | Stop when you walk, rest, or drink water. | Continue and intensify despite resting or moving. |
Rest, Nutrition, and Mental Wellness.
Get as much rest as you can during these days. If you cannot sleep well at night, take naps during the day. Do light exercises like gentle walking. Eating nutritious meals is also vital. Include vegetables, fruits, leafy greens, high-fiber foods, and proteins like fish, eggs, and milk in your daily diet. Remember to drink plenty of water.
having worry, fear, or anxiety during this time is normal. Talk openly about your feelings with your partner, family members, or a trusted friend. Try to keep your mind relaxed by reading a book, listening to music, or doing calming activities.
When to Call 911 / 999 or Go to the ER.
Seek emergency medical care right away if you experience any of the following warning signs:
- Sudden, heavy vaginal bleeding similar to a heavy menstrual period.
- Your water breaks and the fluid looks green, brown, or has a foul odor.
- Severe, constant abdominal pain that does not let up between contractions.
- A sudden decrease or complete stoppage in your baby's movements.
- Signs of severe preeclampsia such as blinding headaches, blurry vision, or sudden facial swelling.
The Most Important Thing to Keep in Mind.
Week 37 of your pregnancy is a crucial and beautiful time filled with hopeful expectations for both you and your little baby. Your baby is almost ready to enter this world. Prepare yourself both physically and mentally to welcome your new little guest.
Even if the final stretch of this journey feels a little tough, keep the boundless joy of holding your baby in your arms very soon in mind. Every bit of effort is worth that wonderful reward.
Remember, if you ever feel uncomfortable, doubtful, or have a question, never hesitate to talk to your doctor or midwife. They are there to help you. Wishing you and your little baby good health and happiness!
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