Week 11 of Pregnancy: What Does My Baby Look Like? Avoiding Forbidden Foods

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Motherhood

You are in the final stretch of the first trimester! As you move through week 11, your baby continues to grow rapidly, and your body keeps adapting to hormonal changes.

Symptoms

  • Nausea and vomiting: While many women begin to feel relief, others still experience them.
  • Fatigue and sleepiness: The increase in progesterone continues to affect your energy.
  • Increased appetite: If nausea decreases, you may feel hungrier.
  • Dizziness or lightheadedness: Due to increased blood flow.
  • Constipation: Because of progesterone, which slows digestion.
  • Gas and abdominal bloating: Your digestive system is still working more slowly.
  • Sensitive or bleeding gums: Increased blood flow can make them more delicate.
  • Increased need to urinate: Your uterus continues to grow and press on the bladder.
  • Skin changes: Some pregnant women notice a facial “glow,” while others may develop dark spots.
  • Mood swings: Hormones can make you feel more emotional.
  • Larger, more sensitive breasts: They are preparing for breastfeeding.

Embryo size

It measures between 4 and 6 cm long (about the size of a fig or a small lemon). It weighs around 7 to 10 grams.

Main Changes in the Baby:

  • Rapid growth: This week, the baby has almost doubled in size compared to previous weeks.
    More defined face: The eyes move closer to the center of the face, the ears are in their final position, and the nose and upper lip are well formed.
  • More active movements: Although you still cannot feel them, the baby can already kick, turn, and move their hands.
  • Separated fingers: Until now, the fingers were joined by membranes, but they have now separated completely.
    Nail formation: Fingernails and toenails begin to develop.
  • Stronger bones: The skeleton is ossifying, meaning the soft cartilage begins to harden into bone.
  • Digestive system functioning: The intestines begin to move into the abdominal cavity, and the liver is already producing red blood cells.
  • Diaphragm development: The baby may start to hiccup, although you may not notice it yet.
  • Urine production: The kidneys begin to function and eliminate waste through the amniotic fluid.

What should you do?

  • Medical Care
    Prenatal checkup: If you have not done so yet, schedule a visit with your doctor for pregnancy monitoring.
  • Nuchal translucency ultrasound: Between weeks 11 and 14, this ultrasound is performed to detect possible chromosomal abnormalities.
  • Blood and urine tests: To check your glucose and iron levels and rule out infections.
  • Nutrition and Lifestyle
    Healthy diet: Include fruits, vegetables, lean proteins, and healthy fats.
    Folic acid, iron, and calcium: Continue taking the recommended prenatal supplements.
  • Hydration: Drink at least 2 liters of water per day.
    Avoid risky foods: Do not consume raw meats, unpasteurized dairy, or fish high in mercury.
  • Avoid alcohol and tobacco: They are harmful to the baby’s development.
    Well-being and Physical Activity
  • Adequate rest: Sleep at least 7–9 hours and avoid stress.
  • Moderate exercise: Walking, swimming, or prenatal yoga helps improve circulation and reduce discomfort.
  • Avoid lifting heavy objects: It can affect your back and cause discomfort.
    Comfortable clothing: Wear loose clothing and a suitable bra for greater comfort.
  • Emotional Changes Listen to your body: It is normal to feel more sensitive or have mood swings.
    Talk with your partner and loved ones: Sharing how you feel helps you have a calmer pregnancy.
    Get informed: Reading about pregnancy and the baby’s development will help you feel more prepared.

Nutrition in week 11 of pregnancy

Folic acid: Essential for the development of the baby’s nervous system.
Spinach, broccoli, avocado, lentils, asparagus.
Iron: Prevents anemia and helps produce red blood cells.
Lean meats, spinach, legumes, quinoa, egg.
Calcium: Important for the development of the baby’s bones and teeth.
Milk, yogurt, pasteurized cheese, almonds, chia seeds.
Proteins: Fundamental for cell growth.
Chicken, fish (low in mercury), eggs, tofu, beans.
Omega-3: Supports the baby’s brain development.
Fish (such as salmon or sardines), walnuts, flax and chia seeds.
Fiber: Prevents constipation, which is very common at this stage.
Fresh fruit, oats, legumes, whole-grain bread.
Hydration: It is key to preventing dizziness and cramps and improving circulation.
Drink 2–3 liters of water per day. You can also include caffeine-free herbal teas or water with natural fruit.

Foods to Avoid
Raw meats and fish (sushi, ceviche, uncooked deli meats).
Unpasteurized dairy (may contain dangerous bacteria).
Fish high in mercury (tuna, swordfish, shark).
Excess caffeine (limit intake to 200 mg/day, approx. one cup of coffee).
Alcohol and tobacco (can affect the baby’s development).

Recommended Exercises
Daily walks (20–30 minutes a day).
Prenatal yoga (helps with breathing and flexibility).
Swimming (reduces pressure on the back and joints).

Low-impact exercises (stationary bike, Pilates, gentle stretching).
Important:

  • Consult your doctor before starting any routine.
  • Avoid high-impact exercises or those with a risk of falls.
  • Listen to your body and do not push yourself too hard.

Exercise in week 11 of pregnancy

Reduces nausea and fatigue:
Exercise improves blood circulation and can help you feel more energized.
Prevents constipation: It helps regulate bowel movements, reducing bloating and digestive discomfort.
Improves mood: It releases endorphins, which reduces stress, anxiety, and mood swings.
Controls weight gain: Helps maintain a healthy weight without affecting the baby’s development.
Strengthens muscles and joints: Reduces back pain and pressure on the knees and ankles.
Prevents swelling and fluid retention: Improves circulation and reduces the feeling of heavy legs.
Improves sleep quality: Helps you relax and rest better at night.

Benefits for the Baby
Better oxygenation: Promotes blood flow to the placenta, supporting the baby’s development.
Reduces the risk of complications: It may lower the chances of gestational diabetes and preeclampsia.
Promotes an easier delivery: A stronger, more flexible body helps you cope better with labor.

Things you should NOT do:

High-impact exercise or high-risk sports
Avoid running, jumping, lifting very heavy weights, contact sports, or activities with a risk of falls (skiing, horseback riding, mountain biking).
Exposure to toxic substances
Do not smoke or be around cigarette smoke.
Avoid harsh chemicals such as cleaning products with ammonia or chlorine, paints, and pesticides.
Very hot baths or saunas
Extreme heat can raise body temperature and affect the baby.
Dangerous foods
Raw or undercooked meats and fish (sushi, ceviche, carpaccio).
Unpasteurized dairy (may contain dangerous bacteria).
Uncooked deli meats and cold cuts (hot dogs, serrano ham, chorizo, etc.).
Fish high in mercury (bluefin tuna, swordfish, shark).
Excess caffeine (limit it to 200 mg/day, approx. 1 cup of coffee).
Alcohol and tobacco (can affect the baby’s development).
Stress and lack of rest
Avoid situations that cause you anxiety.
Try to sleep at least 7–9 hours per night.

Self-medication
Do not take any medication without your doctor’s approval, even if it is natural or over the counter.
Tight clothing or very high heels
Wear comfortable, loose clothing to avoid discomfort.
Choose low-heeled shoes to support your posture.

Frequently Asked Questions

Yes, the baby is already moving, but is still too small for you to feel the kicks. In a few more weeks, you will start to notice it.

The brain, lungs, heart, and digestive system are developing rapidly. The bones are also beginning to strengthen, and the face is more defined.

Not yet, but the inner ear is developing, and soon the baby will be able to perceive sounds.

Yes, the baby’s movements are already happening, but they are still very small. They are generally felt between weeks 16 and 22.

Yes, in general it is safe to travel, but consult your doctor if there are risks in your pregnancy.

Between weeks 11 and 14, the nuchal translucency ultrasound is performed, which assesses the risk of chromosomal abnormalities.

Yes, but it should be low impact, such as walking, swimming, or prenatal yoga. Avoid high-risk or high-impact exercise.

Raw meats and fish, unpasteurized dairy, uncooked deli meats, fish high in mercury, and excessive caffeine.

Some doctors recommend waiting until the second trimester or using ammonia-free dyes.

Yes, but in moderation. No more than 200 mg of caffeine per day (approximately one cup of coffee).

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