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In Month 3, your baby is
the size of a Lime

Month 3 of Pregnancy

Your baby is growing rapidly, and key organs are developing. Explore early pregnancy changes in your body and tips for a healthy start to the second trimester.

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Your Baby in Month 3

Your baby is rapidly growing, with major milestones like facial features, genitals, and coordinated movements taking shape this month.

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Week 9: Early Facial Development

Your baby’s head is more rounded now, and their body is starting to lengthen. The external genitalia is forming, and though it’s still too early to tell the sex, it’s starting to show early signs of development. Their face is looking more human, with lips forming and the eyes developing pigment.

Week 10: Budding Nails and Bones

Your baby is moving more freely in the womb, and the first signs of teeth buds are starting to appear. Their skin is becoming thicker, and tiny nails begin to form on their fingers and toes. The intestines are moving into place, and the baby’s bones and cartilage are beginning to develop. Their arms, complete with elbows, can already bend - how amazing is that?

Week 11: Functional Kidneys and Coordination

Your baby's features are becoming more defined. By now, the kidneys are fully functional, and the baby has started producing urine. The small bumps on the legs are turning into knees and ankles. The baby’s movements are becoming more coordinated as they grow stronger.

Week 12: Genitals and Fine Hair Development

By the end of this week, your baby’s genitals are fully formed, and they may start moving their hands to their face. They’ll also be developing fine hair (lanugo) that will cover their body. Their face looks more human, and they’re continuing to grow rapidly as their digestive and other systems develop further.
 

Your Baby in the Third Month of Pregnancy

Your baby is growing at an incredible rate, and this month marks the end of the first trimester! Let’s break down all the exciting changes.

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Organ Development

In the third month of your pregnancy, your baby’s genitals begin to develop, and the swallowing and sucking reflexes start to work. At this stage, your baby’s organs are developing rapidly. The liver starts functioning, producing bile, while the kidneys begin to work as well. The intestines, which were once outside the body, are now moving into place inside the abdomen. The heart is fully formed with all four chambers working, and the circulatory system is functioning smoothly. Your baby’s heart rate is now around 120–160 beats per minute.

Physical Features

Your baby’s face is becoming more recognisable, with a distinct chin, nose, and mouth. Their eyes are fully formed. Sensory development is also progressing - your little one can hear muffled sounds from outside the womb, and their eyes are beginning to move. The hands and feet now have defined fingers and toes, and they may even be able to curl their fingers. The baby’s skin is still translucent, but it’s starting to develop a more defined texture. They are also growing a bit of peach-fuzz-like hair!

Weight of the Foetus

By the end of the third month, your baby is around 5-6 cm long, about the size of a lime, and weighs about 14 grams.

Baby Movement

At this point, your baby is moving, but you won’t be able to feel those movements yet. Their muscles and nerves are connecting, allowing for tiny kicks and twitches, but it’ll still be a few more weeks before you feel anything.

Here's what your baby looks like

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At 3 months, you're nurturing a miracle. Trust your body, stay positive, and know you're already giving your baby the best start.

Dr. Veena H

Foods in the Third Month of Pregnancy

Your diet continues to play a key role in your baby’s development. Nutrient-rich foods will help your baby grow strong and healthy.
 

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Foods to Eat:

  • Leafy Greens and Broccoli: Rich in folic acid and fibre, helping to prevent constipation and support brain development.
  • Salmon and Walnuts: Packed with omega-3 fatty acids, which are great for your baby’s brain and eye development.
  • Lean Meat and Lentils: Provide protein and iron to support your baby’s growing muscles and blood supply.
  • Yoghurt and Cheese: Great sources of calcium, which are vital for your baby’s bone development.
  • Sweet Potatoes and Carrots: High in beta-carotene, which is important for your baby’s skin and eye health.

Foods to Avoid:

  • Unpasteurised Dairy: As mentioned before, avoid soft and creamy cheeses and unpasteurised milk to reduce the risk of foodborne illnesses.
  • Processed Meats: Stay clear of packaged meats, hot dogs, and any meat that might contain nitrates or nitrites. To reduce the risk of listeria or salmonella contamination, avoid eating processed foods that have been stored in the refrigerator for extended periods.
  • Spices and seeds: Spices and seeds like sesame, fennel, and fenugreek should either be avoided or consumed in limited quantities. These spices are considered "hot" and may have properties that could potentially trigger uterine contractions.
  • Too Much Caffeine: Stick to a limited amount of caffeine from coffee, tea, or sodas.
  • Alcohol: It's safest to avoid alcohol entirely during pregnancy.
  • Street Food: Be cautious of street food like dumplings or gol gappe that can have uncooked cabbage, unhygienic water and plenty of bacteria. Street foods usually have MSG which has a lot of side effects and is dangerous for pregnant women.
     

Exercises in the Third Month of Pregnancy

Regular exercise is still important to keep your body strong and help with pregnancy symptoms. Just be sure to take it easy and listen to your body.

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Safe Exercises to Do:

  • Walking: A great way to stay active without overexerting yourself.
  • Prenatal Yoga: Helps with flexibility and relaxation, reducing stress.
  • Swimming: A fantastic low-impact exercise that strengthens muscles and eases back pain.
  • Pelvic Floor Exercises: Strengthen muscles that will support your bladder and uterus during pregnancy.

Exercises to Avoid:

  • High-Impact Sports: Avoid anything that could put stress on your joints or pose a risk to your pregnancy.
  • Contact Sports: Stay away from sports like football or basketball to avoid injury.
  • Heavy Lifting: Lifting heavy weights can strain your body and increase the risk of injury.

Medical Scans and Check-ups

This is an exciting time as your baby’s development becomes more noticeable. Your doctor may recommend the following tests:

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  • Ultrasound

    A dating ultrasound may be done to confirm your due date and check your baby’s development. This is typically done between 8 and 12 weeks.

  • Blood Tests

    A blood test may be done to screen for genetic conditions, such as Down syndrome.

  • Nuchal Translucency Screening (NT Scan)

    In the third month of pregnancy, your doctor may recommend a nuchal translucency (NT) scan, also called an NT-NB scan, to check for chromosomal conditions and preeclampsia. This scan is typically done between 11 and 13 weeks, plus 6 days of pregnancy. It screens for chromosomal conditions like Down's syndrome, Edwards' syndrome, and Patau's syndrome. An ultrasound is used to measure the thickness of the fluid at the back of your baby’s neck (nuchal translucency).

  • Mental Health

    In month 3 of pregnancy, hormonal changes may continue to affect your mood, leading to fatigue, anxiety, and occasional stress. It’s important to be kind to yourself during this time. Connect with trusted friends or family members to talk about your feelings.

    Staying active with gentle exercises, eating nourishing foods and vitamins, and prioritising good sleep can help boost your mood. Opt for prenatal classes or engage in hobbies. Remember to rest when needed and consult your doctor for guidance and care if you feel anxious or bogged down.

     

FAQs

Why am I feeling so tired?

Fatigue is a common symptom during pregnancy, especially in the first trimester. This is due to the increased blood volume and hormonal changes your body is experiencing to support your growing baby.

Is it normal to experience mood swings during pregnancy?

Yes, mood swings are common during pregnancy due to hormonal fluctuations. You may find yourself feeling more emotional or irritable than usual. Practice self-care, communicate with your partner and loved ones, and don't hesitate to seek support if needed.

How can I cope with anxiety during pregnancy?

It's natural to have some anxiety during pregnancy, but it's important to find healthy ways to manage it. Engage in relaxation techniques like deep breathing, meditation, or prenatal yoga. Talk to your healthcare provider about your concerns and surround yourself with a supportive network of family and friends.

What exercises should I avoid during pregnancy?

Avoid high-impact activities, contact sports, and exercises that involve lying flat on your back after the first trimester. It's also important to steer clear of activities that pose a risk of falling or injury. Always consult with your healthcare provider before starting any new exercise routine.

Is it normal to experience heartburn during the third month of pregnancy?

Yes, heartburn is common during the third month of pregnancy. Hormonal changes can relax the muscles that control your stomach, leading to acid reflux. Eating smaller meals, avoiding spicy or greasy foods, and staying upright after eating can help manage heartburn.