What Happens During the Fourth Month of Pregnancy?

The fourth month of pregnancy marks an exciting stage for many expectant mothers. As you enter the second trimester, some early pregnancy symptoms may begin to ease, your appetite may improve, and your baby bump may become more noticeable. However, every pregnancy develops differently, so you may still experience tiredness, nausea, or other discomforts.

During the 4th month of pregnancy, you are generally around weeks 14–17, although month-to-week divisions can vary slightly. Your body continues adapting to your growing baby, and you may notice changes in your energy levels, digestion, skin, and abdomen.

For women receiving pregnancy care after fertility treatment, understanding these changes can make the experience less worrying. An IVF Clinic in India should help explain which symptoms are commonly expected at this stage and which ones need medical attention.

1. Morning Sickness May Begin to Ease

Many women find that nausea and vomiting improve during the second trimester. You may also find that food smells are less bothersome and your appetite gradually returns.

However, morning sickness does not disappear at the same time for everyone. Some women continue experiencing nausea beyond the fourth month.

Try eating smaller, regular meals and drinking fluids throughout the day. If vomiting is persistent or you cannot keep fluids down, contact your doctor because dehydration may require treatment.

2. Your Baby Bump May Become More Noticeable

As your uterus grows, your abdomen may begin to show more clearly. Your clothes may feel tighter around the waist, and you might notice a gradual increase in weight.

The size of your bump varies according to factors such as your body build, abdominal muscles, previous pregnancies, and the baby's development. A small-looking or prominent bump does not independently determine whether your baby is growing normally.

Your healthcare provider can assess growth and pregnancy progress through routine examinations and ultrasound when appropriate.

3. Mild Abdominal Stretching or Pulling

You may experience occasional pulling, stretching, or brief discomfort on one or both sides of your lower abdomen. This can be related to the ligaments supporting the growing uterus.

Such discomfort is often mild and may occur when you stand up quickly, turn in bed, cough, or change position.

Resting, changing positions slowly, and avoiding movements that trigger discomfort may help. However, severe, persistent, or worsening abdominal pain should not be dismissed as normal stretching.

4. Breast Changes Continue

Your breasts may remain tender, feel fuller, or become heavier as pregnancy progresses. The nipples and surrounding skin may also become darker.

These changes are associated with hormonal shifts and preparation for breastfeeding. Some women may notice small amounts of yellowish fluid called colostrum later in pregnancy, although this does not happen to everyone at the same stage.

Wear a comfortable, supportive bra and mention any unusual breast pain, redness, or other concerning changes to your healthcare provider.

5. Constipation, Bloating, and Heartburn

Digestive discomfort is common during pregnancy. Hormonal changes can slow digestion, while the growing uterus gradually changes the space available for surrounding organs.

You may notice:

  • Constipation or harder stools
  • Bloating and gas
  • Indigestion or heartburn
  • A feeling of fullness after meals

Drinking enough water, including fibre-rich foods, and staying physically active as advised may help. Eating smaller meals and avoiding lying down immediately after eating can also reduce heartburn.

Before taking medicines or herbal remedies, ask your doctor whether they are suitable during pregnancy.

6. When Might You Feel Your Baby Move?

Some women begin noticing gentle fluttering or tapping during the fourth month, but many do not feel clear movements until later.

First-time mothers may recognise movement closer to 20 weeks or beyond, while women who have been pregnant before may notice it earlier. If you have an Anterior Placenta, you may find that early movements feel softer because the placenta can cushion some kicks.

Not feeling movements at this stage does not automatically indicate a problem. Your doctor can explain what to expect for your gestational age. Once you establish a usual movement pattern, contact your maternity team promptly if movements become noticeably reduced or change.

7. Skin Changes and Emotional Ups and Downs

You may notice darker patches on the face, a line developing down the abdomen, or changes in skin texture. These changes are often associated with pregnancy hormones and may become more noticeable as pregnancy progresses.

Your emotions may also fluctuate. You might feel excited one day and worried the next, particularly if this is your first pregnancy or you have experienced fertility challenges.

Gentle activity, adequate rest, balanced meals, and talking with someone you trust may help. If anxiety or low mood becomes overwhelming, discuss it with your healthcare provider.

What Pregnancy Care Is Important This Month?

Continue attending your scheduled antenatal appointments. Your doctor may review your blood pressure, general health, previous test results, and any symptoms you report.

The detailed anatomy ultrasound is commonly scheduled around 18–22 weeks, depending on your care plan. This scan checks your baby's development and evaluates several pregnancy structures, including the placenta.

At Dr.Aravind's IVF Fertility & Pregnancy Centre, expectant mothers can discuss pregnancy symptoms, ultrasound findings, and appropriate follow-up care according to their individual circumstances.

When Should You Contact Your Doctor?

Seek prompt medical advice if you experience vaginal bleeding, fluid leaking from the vagina, severe or persistent abdominal pain, fever, painful urination, or vomiting that prevents you from keeping fluids down.

Severe headache, changes in vision, fainting, or feeling seriously unwell also warrant urgent assessment. Do not assume that a concerning symptom is simply part of normal pregnancy.

Conclusion

The 4th month of pregnancy often brings improving nausea, a growing bump, breast changes, digestive discomfort, and new questions about baby movements. Some symptoms may ease while others begin, and this variation is normal.

Pay attention to how you feel, maintain your antenatal appointments, and seek medical advice when symptoms are severe, persistent, or unusual. Understanding the changes happening in your body can help you approach the second trimester with greater confidence.