5th Month Pregnancy: Symptoms, Baby Development & Care
The 5th month pregnancy is often one of the most exciting stages of pregnancy. By now, you've settled into the second trimester, your baby bump is becoming more noticeable, and those tiny fluttering movements may turn into stronger kicks that remind you your little one is growing every day. Many women also find that they have more energy and are able to enjoy this stage of pregnancy much more than the first trimester.
During pregnancy weeks 17 to 20, your baby's muscles become stronger, hearing develops, and the body continues growing rapidly. At the same time, your uterus expands, your appetite may increase, and your body keeps adapting to support your baby's healthy development. While every pregnancy is unique, this month is often filled with exciting milestones for both mother and baby.
According to the Centers for Disease Control and Prevention (CDC), continuing regular prenatal care, eating a balanced diet, staying physically active as advised, and taking prenatal vitamins remain important throughout pregnancy to support healthy fetal development.
In this complete guide, you'll learn everything about 5th month pregnancy symptoms, baby development in the 5th month of pregnancy, body changes, pregnancy care, diet, precautions, healthy habits, and what to expect as your pregnancy progresses through the second trimester.
Source: Centers for Disease Control and Prevention (CDC)
5th Month Pregnancy at a Glance
Key Takeaways
The 5th month pregnancy covers pregnancy weeks 17 to 20 and is part of the second trimester.
Many women begin feeling regular baby movements during the 5th month of pregnancy.
Baby development in the 5th month of pregnancy includes stronger muscles, improved hearing, rapid brain growth, and more coordinated movements.
Your baby bump becomes more noticeable as the uterus continues expanding.
You may experience 5th month pregnancy symptoms such as back pain, leg cramps, heartburn, increased appetite, and round ligament pain.
Eating a healthy 5th month pregnancy diet rich in protein, calcium, iron, folate, and healthy fats supports your baby's rapid growth.
Continue taking prenatal vitamins, staying active, drinking enough water, and attending regular prenatal appointments.
Although the second trimester is generally considered the most comfortable stage of pregnancy, severe pain, heavy bleeding, fluid leakage, or reduced fetal movement should always be discussed with your healthcare provider.
Common 5th Month Pregnancy Symptoms
During the 5th month of pregnancy, many women feel more energetic and begin experiencing stronger baby movements. As your baby grows rapidly, you may also notice a larger baby bump, increased appetite, mild back pain, and other normal second-trimester changes.
Common Symptoms at a Glance
Also Read: Early Pregnancy Symptoms: 15 Signs Every Woman Should Know
Let's discuss these 5th month pregnancy symptoms in detail.
Stronger Baby Movements During the 5th Month Pregnancy
One of the most memorable moments during the 5th month of pregnancy is feeling your baby's movements more clearly. What may have started as tiny flutters in the previous month often becomes noticeable kicks, rolls, or gentle stretches.
Every baby has a different activity pattern,
so some days your little one may seem more active than others. If this is your first pregnancy, you may only recently begin recognizing these movements, while women who have been pregnant before often notice them a little earlier.
Feeling your baby's movements can be exciting and reassuring, reminding you that your little one is growing stronger each day.
Growing Baby Bump at 5 Months Pregnant
By the 5th month pregnancy, your uterus has expanded significantly, making your baby bump much more noticeable.
Friends, family members, and even strangers may begin noticing your pregnancy at this stage. You may also find that your regular clothes feel tighter, making maternity clothing a more comfortable option.
Remember, every pregnancy is different. Some women naturally carry smaller bumps, while others show earlier, and both can be completely normal.
Round Ligament Pain During the Fifth Month Pregnancy
As your uterus continues growing, the ligaments supporting it stretch further, sometimes causing a sharp or pulling pain along one or both sides of your lower abdomen.
Round ligament pain often appears when:
Standing up quickly
Rolling over in bed
Coughing
Sneezing
Laughing
Although it can feel uncomfortable, this type of pain usually lasts only a few seconds and is considered a normal part of pregnancy.
Increased Appetite During 5th Month Pregnancy
Many women notice they feel hungrier during the 5th month of pregnancy as their baby continues growing rapidly.
Rather than eating much larger meals, try choosing foods packed with nutrients that support both your health and your baby's development. Lean proteins, whole grains, fruits, vegetables, dairy products, nuts, and healthy fats can help meet your increased nutritional needs while keeping your energy levels steady.
Eating small, balanced meals throughout the day may also help prevent heartburn and keep you feeling satisfied.
Mild Back Pain at 5 Months Pregnant
As your abdomen becomes heavier, your posture gradually changes and your lower back works harder to support your growing belly.
Many women experience mild back discomfort after standing for long periods or by the end of the day.
Maintaining good posture, wearing supportive footwear, avoiding heavy lifting, and doing gentle pregnancy-safe stretches can help reduce back pain. If the pain becomes severe or is accompanied by other concerning symptoms, contact your healthcare provider.
Breast Changes During the 5th Month of Pregnancy
Your breasts continue preparing for breastfeeding throughout the 5th month pregnancy.
You may notice:
Fuller breasts
Darker nipples
More visible veins
Increased sensitivity
Occasional leakage of colostrum in some women
A comfortable, supportive maternity bra can help reduce discomfort as your breasts continue changing throughout pregnancy.
Leg Cramps During the 5th Month Pregnancy
Leg cramps often become more noticeable during the 5th month of pregnancy, especially at night.
They may be linked to changes in circulation, muscle fatigue, or the extra weight your body is carrying.
Stretching your calf muscles before bedtime, staying hydrated, and remaining physically active during the day may help reduce the frequency of leg cramps. If cramps become severe or persistent, speak with your healthcare provider.
Heartburn During the 5th Month Pregnancy
Heartburn may continue during the 5th month of pregnancy as pregnancy hormones relax the muscles between the stomach and esophagus.
As your uterus grows larger, it also places more pressure on your stomach, making acid reflux more likely.
Eating smaller meals, avoiding spicy or greasy foods, and waiting at least two hours before lying down after eating may help ease discomfort.
Constipation During the Fifth Month of Pregnancy
Hormonal changes continue slowing digestion during the 5th month of pregnancy, making constipation a common symptom.
To support healthy digestion:
Eat high-fiber foods
Drink plenty of water
Stay physically active
Include fruits and vegetables in your daily meals
Always speak with your healthcare provider before using any medications or laxatives during pregnancy.
Skin Changes During the 5th Month Pregnancy
Hormonal changes during the second trimester may continue affecting your skin.
You may notice:
Darkening of the nipples
Linea nigra becoming more noticeable
Mild facial pigmentation (melasma)
A healthy pregnancy glow due to increased blood flow
These skin changes are common during pregnancy and usually begin fading after your baby is born.
Can You Feel Baby Movement in the 5th Month?
Yes. During the 5th month of pregnancy, most women can clearly feel their baby's movements. These movements often become stronger and more frequent as your baby's muscles develop and the nervous system continues maturing.
Some kicks may feel gentle, while others can surprise you with their strength. Your baby's movement pattern may also vary throughout the day, often becoming more noticeable when you're resting or after eating.
Feeling regular baby movements is one of the most exciting milestones of the 5th month pregnancy and helps many parents feel a deeper connection with their growing baby.
💡 Did You Know?
One of the biggest milestones during the 5th month of pregnancy is that your baby can now hear sounds from outside the womb. Your little one may respond to familiar voices, music, and other sounds while continuing to practice kicking, stretching, and swallowing as development progresses.
Emotional Changes During the Fifth Month of Pregnancy
The 5th month of pregnancy is often an exciting and reassuring stage. As your baby grows stronger and you begin feeling regular movements, you may feel more connected to your little one than ever before. While many women experience greater emotional stability during the second trimester, it's still completely normal to have occasional mood swings, worries, or mixed emotions.
Feeling your baby's kicks, watching your bump grow, and preparing for the upcoming months can bring both joy and new responsibilities. Hormonal changes also continue to influence your emotions.
You may experience:
Excitement about feeling your baby's movements
Greater confidence during the second trimester
Relief as early pregnancy discomforts continue to improve
Mood swings caused by hormonal changes
Growing emotional attachment to your baby
Curiosity about your upcoming anatomy scan
Mild anxiety about labor, delivery, or becoming a parent
Happiness as your pregnancy becomes more visible
These emotional changes are a natural part of the fifth month pregnancy journey. Sharing your thoughts with your partner, family members, trusted friends, or healthcare provider can help you feel supported throughout this stage.
What Happens During the 5th Month of Pregnancy?
During the 5th month of pregnancy, your baby continues growing rapidly, movements become much stronger, and many important organs keep maturing. At the same time, your baby bump becomes more noticeable, and you may enjoy increased energy as your body adjusts to pregnancy.
The 5th month of pregnancy covers pregnancy weeks 17 to 20, a period filled with exciting milestones. Your baby's muscles become stronger, hearing develops, and the nervous system continues maturing. Many mothers begin feeling regular kicks and rolls, making pregnancy feel more real than ever before.
Your uterus continues expanding above the pelvic bone, and your growing baby requires more nutrients to support healthy development. Many women continue feeling better than they did during the first trimester, although some new discomforts such as back pain, heartburn, and leg cramps may appear as pregnancy progresses.
Also Read: 6th Month Pregnancy: Baby Development and What To Expect?
Changes in the Mother's Body During the 5th Month of Pregnancy
Your body continues changing throughout the 5th month of pregnancy as your uterus expands, your baby grows rapidly, and your body prepares for the months ahead.
Although every pregnancy is different, several physical changes are common during this stage.
You may notice:
A larger baby bump
Regular baby movements
Increased appetite
Mild back pain
Round ligament pain
Breast enlargement
Leg cramps
Heartburn
Constipation
Skin pigmentation
Increased vaginal discharge
Mild swelling of the feet after standing for long periods
By the end of the 5th month pregnancy, your uterus has grown to around the level of your belly button, making your pregnancy much more visible.
Weight gain also becomes more noticeable during this stage. Most women continue gaining around 1 to 2 pounds (0.5–1 kg) per week during the second trimester, although healthy weight gain depends on your pre-pregnancy BMI and your healthcare provider's recommendations.
Changes in Your Growing Baby During the 5th Month of Pregnancy
Baby development in the 5th month of pregnancy becomes even more exciting as your baby's muscles grow stronger, senses continue developing, and movements become much more coordinated.
Between pregnancy weeks 17 and 20, your baby experiences remarkable growth. The body becomes more proportionate, muscles become stronger, and important organs continue maturing.
By the end of the 5th month of pregnancy, your baby has reached several exciting developmental milestones.
Your baby now has:
Stronger muscles and bones
More coordinated arm and leg movements
Developing hearing
Rapid brain growth
Growing eyebrows and eyelashes
Fine hair covering the body (lanugo)
Protective coating called vernix on the skin
A stronger heartbeat
Improved swallowing reflexes
Active kicking, stretching, and rolling
The placenta continues supplying oxygen and nutrients while removing waste products, helping your baby grow healthy throughout pregnancy.
Baby Development During the 5th Month of Pregnancy (Weeks 17–20)
Baby development during the 5th month of pregnancy includes rapid brain growth, stronger muscles, improved hearing, and more active movements as your baby continues growing inside the womb.
During pregnancy weeks 17 to 20, your baby becomes much more active. Muscles strengthen, body fat slowly begins developing, and the nervous system continues maturing.
Let's explore these exciting milestones.
Baby's Muscles Become Stronger
One of the biggest milestones in baby development in the 5th month of pregnancy is the rapid strengthening of muscles.
Your baby now moves much more frequently by:
Kicking
Rolling
Stretching
Twisting
Opening and closing tiny hands
These movements help strengthen muscles and joints while preparing your baby for life after birth.
Hearing Continues Developing
During the 5th month pregnancy, your baby's ears become much more developed.
Your little one can begin hearing sounds from outside the womb, including:
Your voice
Your heartbeat
Music
Everyday household sounds
Although sounds are muffled by the amniotic fluid, your baby may respond to familiar voices with gentle movements.
Brain Development Continues Rapidly
Your baby's brain continues developing at an incredible pace throughout the 5th month of pregnancy.
Millions of nerve cells continue forming new connections that support:
Movement
Learning
Memory
Hearing
Future thinking and communication
Good nutrition, including healthy fats, iron, iodine, and folate, helps support healthy brain development.
Bones Continue Becoming Stronger
Your baby's skeleton continues hardening during the 5th month pregnancy.
Calcium, phosphorus, and vitamin D remain important nutrients because they help support:
Bone growth
Tooth development
Muscle function
Healthy nerve activity
Although the skeleton continues developing throughout pregnancy, bones become increasingly stronger during the second trimester.
Lanugo and Vernix Continue Developing
Your baby's body is now covered with a fine layer of soft hair called lanugo.
A creamy protective coating known as vernix caseosa also continues forming over the skin.
Together, these help protect your baby's delicate skin while floating in the amniotic fluid.
Heart Works Efficiently
Your baby's heart continues pumping blood throughout the body and beating much faster than an adult heart.
During prenatal visits, your healthcare provider can usually hear the heartbeat using a Doppler device.
A healthy heartbeat remains one of the reassuring signs that your baby is growing well.
Baby Becomes Much More Active
As muscles and the nervous system mature, your baby becomes increasingly active inside the uterus.
Your baby can now:
Kick
Stretch
Roll
Yawn
Swallow
Move arms and legs freely
Many mothers begin recognizing their baby's daily movement patterns during this stage.
The Placenta Continues Supporting Your Baby
Throughout the 5th month of pregnancy, the placenta continues acting as your baby's lifeline.
It performs several important functions by:
Delivering oxygen
Providing nutrients
Removing waste products
Producing pregnancy hormones
Supporting healthy fetal development
A healthy placenta remains essential throughout the rest of pregnancy.
Week-by-Week Baby Development During the 5th Month Pregnancy
📦 How Big Is Your Baby in the 5th Month of Pregnancy?
By the end of the 5th month of pregnancy, your baby is about the size of a banana, measuring approximately 25 cm (10 inches) long and weighing around 300 grams (10–11 ounces).
Your baby grows quickly during pregnancy weeks 17 to 20. At the beginning of the month, your little one is about the size of a sweet potato, and by week 20, your baby is roughly the size of a banana.
Although still comfortably inside the uterus, your baby's body has become much more proportionate. Stronger muscles, developing senses, and regular movements are all signs of healthy growth during this exciting stage.
One of the biggest milestones during baby development in the 5th month of pregnancy is that your baby can now hear sounds, move actively, stretch, swallow, and respond with stronger kicks.
Also Read: Is Feeling Cold a Pregnancy Symptom? Causes, Signs & What It Means
👩⚕️ Doctor's Tip
The 5th month of pregnancy is a great time to continue building healthy habits that support both you and your growing baby. Keep taking your prenatal vitamins, especially those containing folic acid, iron, calcium, vitamin D, and iodine, unless your healthcare provider advises otherwise.
A balanced 5th month pregnancy diet should include lean proteins, whole grains, dairy products, fresh fruits, vegetables, healthy fats, and iron-rich foods to support your baby's rapid development.
During your routine prenatal appointments, your healthcare provider may:
Monitor your baby's heartbeat
Check your weight and blood pressure
Measure your growing uterus
Review your pregnancy symptoms
Recommend routine blood or urine tests if needed
Monitor your baby's growth and overall development
Attending every prenatal visit helps ensure both you and your baby remain healthy throughout pregnancy.
Healthy Habits During the 5th Month of Pregnancy
Healthy habits during the 5th month of pregnancy help support your baby's rapid growth, improve your overall well-being, and prepare your body for the months ahead.
As you move further into the second trimester, you may feel more energetic and comfortable. This is a great time to continue following healthy routines that benefit both you and your growing baby. During pregnancy weeks 17 to 20, your baby's brain, muscles, bones, and senses continue developing rapidly, making good nutrition, hydration, exercise, and regular prenatal care especially important.
Attend All Prenatal Appointments
Regular prenatal checkups allow your healthcare provider to monitor your baby's growth and identify any concerns early.
During your visits, your provider may:
Monitor your baby's heartbeat
Check your blood pressure and weight
Measure your uterus
Review your pregnancy symptoms
Recommend screening tests if needed
Monitor your baby's healthy development
Never skip your scheduled prenatal appointments, even if you feel well.
Continue Taking Prenatal Vitamins
Your body continues to need extra nutrients throughout the 5th month pregnancy.
Prenatal vitamins usually contain:
Folic acid
Iron
Calcium
Vitamin D
Iodine
DHA (if recommended)
These nutrients support healthy brain development, stronger bones, and your baby's overall growth.
Stay Hydrated
Drinking enough water helps support your increased blood volume and keeps nutrients flowing to your growing baby.
Aim for approximately 8–10 glasses of water daily, or follow your healthcare provider's advice.
Staying hydrated may also help reduce:
Constipation
Headaches
Dizziness
Fatigue
Urinary infections
Stay Physically Active
If your healthcare provider says your pregnancy is healthy, gentle exercise is encouraged during the 5th month of pregnancy.
Safe activities include:
Walking
Prenatal yoga
Swimming
Light stretching
Pelvic floor exercises
Regular exercise may help improve circulation, reduce back pain, promote better sleep, and prepare your body for labor.
Get Enough Rest
Although many women feel more energetic during the second trimester, your body is still working hard every day to support your growing baby.
Try to:
Sleep 7–9 hours every night
Take short breaks if needed
Sleep on your left side when comfortable
Use a pregnancy pillow for extra support
Getting enough rest helps support both your health and your baby's development.
5th Month Pregnancy Diet: Foods to Eat
A healthy 5th month pregnancy diet should include protein, calcium, iron, folate, healthy fats, fruits, vegetables, and whole grains to support your baby's rapid growth.
During pregnancy weeks 17 to 20, your baby's brain, muscles, bones, and organs continue developing quickly. Eating a balanced diet helps meet your increased nutritional needs.
Best Foods to Eat During the 5th Month Pregnancy
Foods to Avoid During the 5th Month Pregnancy
Weight Gain During the 5th Month of Pregnancy
Healthy weight gain during the 5th month of pregnancy supports your baby's development and depends on your pre-pregnancy weight.
Most women continue gaining weight steadily during the second trimester.
On average:
Around 1–2 pounds (0.5–1 kg) per week
Baby continues growing rapidly
Increased blood volume, placenta, and amniotic fluid contribute to healthy weight gain
Appetite usually remains higher than during the first trimester
Rather than focusing only on the scale, try to:
✔ Eat balanced meals
✔ Stay physically active
✔ Drink plenty of water
✔ Follow your healthcare provider's recommendations
5th Month Pregnancy Precautions
Following simple precautions during the 5th month of pregnancy can help support a healthy pregnancy and reduce the risk of complications.
✔ Continue taking prenatal vitamins every day.
✔ Eat a healthy, balanced diet.
✔ Drink plenty of water.
✔ Stay physically active only as advised by your healthcare provider.
✔ Avoid alcohol, smoking, vaping, and recreational drugs.
✔ Limit caffeine to less than 200 mg daily.
✔ Avoid lifting heavy objects.
✔ Do not take medicines without medical approval.
✔ Wear comfortable footwear to reduce the risk of falls.
✔ Practice good food hygiene.
✔ Get enough sleep every night.
✔ Keep all prenatal appointments.
5th Month Pregnancy Checklist
A simple checklist can help you stay organized and maintain healthy habits throughout the 5th month pregnancy.
✔ Attend all scheduled prenatal appointments.
✔ Continue taking prenatal vitamins.
✔ Eat a healthy 5th month pregnancy diet.
✔ Stay hydrated every day.
✔ Exercise safely if approved by your healthcare provider.
✔ Track your baby's movements.
✔ Monitor your weight gain.
✔ Wear comfortable maternity clothing if needed.
✔ Discuss any unusual symptoms with your healthcare provider.
✔ Make time to relax and reduce stress.
Also Read: Essential Do’s and Don’ts of Pregnancy
Pregnancy Comfort Items That May Help During the 5th Month
As your baby bump grows, a few simple products can make everyday activities more comfortable.
These may include:
Supportive maternity bra
Pregnancy pillow
Comfortable maternity clothing
Reusable water bottle
Healthy snacks
Comfortable walking shoes
Belly support band (if recommended)
Stretch mark moisturizer (optional)
Normal Symptoms vs Warning Signs During the 5th Month of Pregnancy
Although many 5th month pregnancy symptoms are completely normal, some require immediate medical attention.
When Should You Call a Doctor During the 5th Month of Pregnancy?
Contact your healthcare provider immediately if you experience heavy bleeding, severe pain, fluid leakage, high fever, or any symptom that feels unusual during the 5th month of pregnancy.
Seek medical care if you experience:
Heavy vaginal bleeding
Severe abdominal pain
Persistent vomiting
Fever over 100.4°F (38°C)
Fluid leaking from the vagina
Pain while urinating
Severe headache or blurred vision
Sudden swelling of the face or hands
Difficulty breathing
Noticeably reduced baby movements after you've started feeling regular movements
Any symptom that concerns you
It is always safer to contact your healthcare provider if something doesn't feel right.
Frequently Asked Questions About 5th Month Pregnancy
How will I feel at 5 months pregnant?
Most women feel more energetic at 5 months pregnant, with regular baby movements, a growing bump, increased appetite, and occasional back pain or heartburn.
What to avoid in the 5th month of pregnancy?
Avoid alcohol, smoking, raw or undercooked foods, unpasteurized dairy, excessive caffeine, heavy lifting, and medicines without your healthcare provider's approval.
How do I know my baby is healthy at 5 months pregnant?
Regular baby movements, normal prenatal checkups, a healthy heartbeat, and steady growth are reassuring signs your baby is developing well at 5 months.
How many weeks is 5 months pregnant exactly?
The 5th month of pregnancy usually covers weeks 17 to 20 and falls within the second trimester.
Can you feel kicks at 5 months?
Yes. Most women feel regular baby kicks during the 5th month of pregnancy as the baby's muscles become stronger and movements become more coordinated.
How big is a 5-month-old fetus?
By the end of the 5th month, your baby measures about 10 inches (25 cm) long, weighs around 10–11 ounces (300 g), and is about the size of a banana.
What are the signs of a healthy pregnancy at 5 months?
Regular baby movements, healthy weight gain, normal prenatal checkups, a strong fetal heartbeat, and no unusual bleeding or severe pain are reassuring signs.
When should I worry during a 5-month pregnancy?
Seek medical care for heavy bleeding, severe abdominal pain, fluid leakage, fever, reduced baby movements, severe headache, or sudden swelling of the face or hands.
What to expect at 5 months pregnant?
Expect a noticeable baby bump, stronger baby movements, increased appetite, steady weight gain, and continued growth and development during the second trimester.
Is the baby fully developed at 5 months?
By the 5th month of pregnancy, your baby's major organs have formed and continue maturing. The brain, lungs, digestive system, and other organs will keep developing throughout the rest of your pregnancy.
Final Thoughts on the 5th Month of Pregnancy
The 5th month pregnancy is a wonderful stage filled with exciting milestones for both you and your baby. Feeling stronger baby movements, watching your bump grow, and knowing your little one is developing every day can make this month especially memorable. Continue eating a balanced 5th month pregnancy diet, staying active, attending your prenatal appointments, and following healthy lifestyle habits to support a healthy pregnancy. Remember that every pregnancy is unique, so always listen to your body and speak with your healthcare provider if you have any questions or concerns.
Disclaimer
The information provided in this article by the Pregnancy Cures Editorial Team is for educational purposes only and should not replace professional medical advice, diagnosis, or treatment. Always consult your obstetrician, midwife, or healthcare provider regarding any questions or concerns about your pregnancy.
Sources
American College of Obstetricians and Gynecologists (ACOG)
Centers for Disease Control and Prevention (CDC)
National Health Service (NHS)
World Health Organization (WHO)
March of Dimes
Cleveland Clinic
This article was reviewed and updated in July 2026 by the Pregnancy Cures Editorial Team.
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