Congratulations—you’re 16 weeks pregnant! You’re in your fourth month of pregnancy and your baby is about the size of an apple – around 100g and 11.6cm.
Your baby is growing quickly, with tiny muscles developing for movement you might feel soon! You may notice your belly becoming more pronounced, and the “pregnancy glow” is likely starting to show.
This is a great time to focus on bonding with your baby, maintaining a balanced lifestyle, and preparing for exciting milestones ahead. Let’s take a closer look at what this week brings for you and your growing little one.
Your baby at 16 weeks
Your baby is working hard, pumping 2-3 litres of blood per day which will continue to increase throughout pregnancy. Their legs are more developed and their head is erect. If you’ve had a baby before, you might start to feel your baby kicking this week – this will feel more like flutters than actual kicking at this stage. But most first-time moms probably won’t feel their baby’s kicks and movements until closer to 20 weeks gestation.
This is a good time to start talking to your baby as they will begin hearing and will recognise your voice from birth. Your baby’s taste buds and taste pores are developed, and they can now taste the amniotic fluid.
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Your body at 16 weeks
Here’s what you might be experiencing:
- Nosebleeds, as a result of increased blood volume.
- Increased sex drive.
- Gas and heartburn, as a result of the hormones.
- Swollen gums. Hormonal changes make pregnant women more vulnerable to inflamed or bleeding gums.
- Round ligament pain, which is mild pain on the lower sides of your belly
- Occasional headaches.
- Pregnancy brain – yes, this is a real thing, and it’s been shown that brain-cell volume actually decreases during pregnancy.
Taking care of yourself during this time
- The food you eat is your baby’s primary source of nourishment so choose healthy, nutrient-dense options, including eggs and oily fish.
- Exercise might be the last thing you feel like but a brisk walk can be good for you and the baby.
- Try to control your stress levels at this time. If you can eliminate areas of stress, then that’s a good start. If you’re battling a bit, it might be worthwhile chatting to a professional who will be able to help.
- Sleeping on your left side should feel more comfortable than sleeping on your right. This is because it allows for better blood flow to your uterus and the baby. From the second trimester, medical professionals suggest you try not to sleep on your back.
- If your clothes are starting to feel a bit snug, consider buying a belly belt to wear under shirts, or a pants extender so you can get away with wearing your pre-pregnancy clothes for longer.
FAQs: 16 Weeks Pregnant – What to Expect, Fetus Development & Your Changes
How big is my baby at 16 weeks?
By around 16 weeks, your baby is roughly the size of an avocado, measuring about 11–12 cm from head to bottom. Their limbs are more developed, and they’re becoming increasingly active.
What key developmental milestones occur now?
Your baby’s facial muscles are refining, allowing for expressions like squinting or frowning. The ears are nearly in place, and the circulatory and urinary systems continue to mature.
Can I feel my baby move at 16 weeks pregnant?
You may start to feel “quickening,” which can feel like flutters or gentle taps. Experienced mums might notice movement earlier, while first-time mums may need a bit more time.
What pregnancy symptoms might I experience this week?
Many women feel better during the second trimester, with reduced fatigue and nausea. You might experience nasal congestion, mild backaches, or an increased appetite as your metabolism and blood volume rise.
Is weight gain expected at this stage?
Yes, gradual weight gain is common, though the amount differs for each person. Your healthcare provider can advise on a healthy range based on your pre-pregnancy weight and overall health.
What changes might I notice in my body?
You could see a more pronounced bump, along with continued breast growth and possible skin changes like a dark line on your abdomen (linea nigra). Some women also experience round ligament pain as the uterus expands.
How should I manage my diet at 16 weeks?
Focus on balanced meals containing fruits, vegetables, lean proteins, whole grains, and dairy or alternatives. Ensure you’re getting sufficient iron, calcium, folic acid, and other vital nutrients.
Is it safe to continue exercising at 16 weeks pregnancy?
Yes, moderate exercise is generally beneficial. Walking, swimming, and prenatal yoga can help maintain fitness and manage stress. Discuss any concerns or restrictions with your healthcare provider.
When is my next prenatal appointment?
Check-ups typically occur every four weeks during the second trimester. Your doctor may schedule additional scans or blood tests around this time to assess the baby’s health and development.
How can I alleviate mild backaches or discomfort?
Practise good posture, try gentle stretches or prenatal yoga, and consider a supportive pregnancy pillow while sleeping. If pain is severe or persistent, consult your doctor.
Should I worry if I haven’t felt movement yet?
Not necessarily. Some women don’t feel distinct movements until 18–22 weeks, especially if it’s their first pregnancy. If you’re concerned, speak with your healthcare provider for reassurance.
What preparations should I consider at 16 weeks pregnant?
You may want to plan for the mid-pregnancy anatomy scan (often between 18–20 weeks), discuss any birth plans or antenatal classes, and continue monitoring how you feel physically and emotionally.
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