What to Expect When You’re 3 Months Pregnant

Article

Apr 29, 2025

8 mins

At three months pregnant, you’re entering your second trimester, and many exciting changes are on the horizon for both you and your baby. This stage marks the beginning of more visible physical changes, such as the appearance of a baby bump and gradual weight gain. Your baby’s development is accelerating, with critical organs and systems beginning to take shape.

During this time, you may experience common symptoms associated with being three months pregnant, such as morning sickness, fatigue, and mood swings.
Maintaining a nutritious diet and engaging in appropriate physical activity are essential for a healthy pregnancy. Regular prenatal care and doctor visits are also crucial for monitoring your baby’s growth and addressing any concerns.

This article will guide you through what to expect and how to maintain a healthy pregnancy at three months.

What Physical Changes to Expect at 3 Months

During the first trimester, you might notice several physical changes as your body adjusts to accommodate your growing baby¹,². These changes, driven by hormonal fluctuations, are entirely normal.

One common physical change is an increase in breast size and tenderness. Your breasts may feel more sensitive and may even become larger as they prepare for milk production. Wearing a supportive bra can help alleviate any discomfort.

A noticeable change around the three-month mark is the appearance of a baby bump. As your uterus expands, your abdomen will start to protrude. This milestone makes your pregnancy more visible to others and serves as a constant reminder of the new life developing inside you.

In addition to changes in breast size and the appearance of a baby bump, many women experience changes in their skin and hair during the first trimester. Some may notice an increase in oiliness or breakouts, while others may experience a pregnancy glow. Hair changes can range from thicker and shinier locks to increased hair loss. Remember to take care of your skin by using gentle, pregnancy-safe skincare products and consult with your healthcare provider for advice on hair care.

Your Baby’s Growth at 3 Months Pregnant³

During the third month of pregnancy, your baby's development continues at a rapid pace. Here's a closer look at what's happening.

Formation of major organs and systems

By this stage, your baby's major organs and systems are forming. The heart is beating steadily, the brain is developing rapidly, and the lungs are beginning to form, although they are not yet ready for breathing outside the womb. The digestive system, liver, and kidneys are also taking shape.

Development of facial features

At 3 months pregnant, your baby's facial features are becoming more defined. The eyes, nose, and mouth are taking shape, and the jawbone is developing. Tiny earlobes are also beginning to appear. Although still very small, your baby’s face is starting to look more distinctly human.

Movement and reflexes

Your baby is now able to move and kick, although you may not feel these movements just yet. The arms and legs are growing longer, and the muscles are becoming stronger. Reflexes such as sucking and swallowing are also developing. These movements and reflexes play an important role in your baby's growth and development.

As your pregnancy progresses, your baby's development will continue to amaze you. It’s an exciting time as you witness your little one grow and thrive inside the womb.

Typical Symptoms at 3 Months Pregnant⁴

During the first trimester, many women experience a variety of common symptoms. Understanding these symptoms can help you navigate this exciting time in your life. Here are some of the most common symptoms at three months pregnant.

Morning sickness and nausea

One of the most well-known symptoms of early pregnancy is morning sickness. Despite its name, morning sickness can occur at any time of day. You may experience nausea, vomiting, or both. Hormonal changes and an increase in estrogen levels are believed to contribute to morning sickness.

Fatigue and mood swings

Feeling exhausted and experiencing frequent mood swings are common during the first trimester. Your body is working hard to support the growth and development of your baby, which can leave you feeling tired. Hormonal fluctuations can also contribute to mood swings, making you feel more emotional than usual.

Frequent urination

As your pregnancy progresses, you may notice that you need to urinate more frequently. This is because your growing uterus puts pressure on your bladder, causing an increased urge to urinate. It's important to stay hydrated, so be sure to drink plenty of water throughout the day.

While these symptoms can be uncomfortable, they are usually a sign that your body is adjusting to the changes of pregnancy. If you have any concerns or if your symptoms become severe, it's always best to consult your healthcare provider.

Nutrition and Exercise Tips for Early Pregnancy

Pregnancy is a crucial time for both the mother and the growing baby, and maintaining a healthy diet and exercise routine is essential for a smooth and comfortable journey³. A balanced diet plays a vital role in providing the necessary nutrients for your baby’s development and your own well-being.

Importance of balanced nutrition

When you are three months pregnant, it’s important to focus on consuming a variety of nutrient-dense foods. Include plenty of fruits, vegetables, whole grains, lean proteins, and dairy products in your diet. These foods provide essential vitamins, minerals, and fiber necessary for your baby's healthy growth and development.

In addition to a balanced diet, certain supplements can support a healthy pregnancy. Consult your healthcare provider to determine which supplements are right for you. Generally, prenatal vitamins containing folic acid, iron, calcium, and omega-3 fatty acids are recommended to ensure proper development of your baby's brain, bones, and overall health.

Safe exercises during pregnancy

Exercise during pregnancy offers numerous benefits, including improved mood, increased energy levels, and better sleep. It’s important to engage in safe exercises suitable for your changing body. Low-impact activities like walking, swimming, and prenatal yoga are generally considered safe for pregnant women. However, always consult your healthcare provider before starting any exercise routine to ensure it’s appropriate for your individual circumstances.

Remember, maintaining a healthy diet and exercise routine benefits both you and your baby. Prioritize your well-being and seek guidance from your healthcare provider to support a healthy and comfortable pregnancy.

Prenatal Care and Doctor Visits for Month Three

During your pregnancy, regular prenatal care and doctor visits are essential for ensuring the health and well-being of both you and your baby². These appointments serve multiple purposes and provide the support and guidance you need throughout your pregnancy.

Prenatal appointments typically begin in the first trimester and continue throughout your pregnancy. In the third month, you can expect to have your second prenatal visit. These appointments are designed to monitor your health, track your baby's growth and development, and address any concerns or questions.

Tests and screenings during the third month

During the third month of pregnancy, your doctor may conduct various tests and screenings to assess your overall health and the progress of your pregnancy. These may include blood tests, urine tests, and ultrasounds. These assessments help detect potential issues or complications early, allowing for timely intervention and management.

It’s essential to openly discuss any concerns or questions with your doctor during these visits. Whether you have queries about nutrition, exercise, or any discomfort you’re experiencing, your doctor is there to provide support. They can also offer advice on managing common pregnancy symptoms like morning sickness, fatigue, or mood swings.

Remember, prenatal care plays a critical role in promoting a healthy pregnancy and reducing the risk of complications. By attending regular appointments and staying in close contact with your healthcare provider, you're taking proactive steps to support the well-being of both you and your baby.

Tips for a Healthy Pregnancy

During the early stages of pregnancy, it's crucial to take care of your physical and mental well-being.

Managing stress and emotional well-being

Pregnancy can bring a rollercoaster of emotions. It’s important to find healthy ways to manage stress and maintain emotional balance. Consider practicing relaxation techniques such as deep breathing, meditation, or yoga. Engaging in activities you enjoy, spending time with loved ones, and seeking support from a healthcare professional or counselor can also be beneficial.

Getting enough rest and sleep

Your body is working hard to support your growing baby. Be sure to prioritize rest and sleep. Aim for at least 7–8 hours of sleep each night and listen to your body’s cues for additional rest during the day. Create a comfortable sleep environment, establish a relaxing bedtime routine, and consider using pillows or pregnancy support aids to help you find a restful position.

Taking care of your mental and physical health

Maintaining good mental and physical health is essential during pregnancy. Eat a balanced, nutrient-rich diet and stay hydrated. Engage in regular, pregnancy-safe physical activity such as walking or prenatal yoga. Attend all scheduled prenatal check-ups and follow your healthcare provider’s recommendations. Don’t hesitate to reach out for help if you experience any unusual symptoms or concerns.

Remember, every pregnancy is unique. Listen to your body’s needs, and by managing stress, getting proper rest, and caring for your overall health, you can enjoy a positive and healthy pregnancy experience for both you and your baby.

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