Updated: 2019, Aug 1

12 Weeks Pregnant: Know How Your Baby Response

By - Reviewed by CHD Team
After shutting the eyes for weeks, the baby during 12 weeks of pregnancy may begin opening and closing its eyes.
A female body's response and baby's development in the 12th week of pregnancy. Shutterstock Images

The baby learns to respond at 12th week of pregnancy. This can be observed when the mother taps her abdomen with a finger, and in response, the baby squirms.

This article provides an overview on the fetal development, maternal changes, signs and symptoms and some interesting facts about 12th week of pregnancy.

The biggest fetal development at 12th week of pregnancy is reflexes.

Height of the baby: 2.1 inches (comparable to the size of a lime!)
Weight of the baby: 49 ounces[1]

What Happens to The Baby?

12 week Fetus

A fetus looks like a human and has a high heartbeat pace. Shutterstock Images

After shutting the eyes for weeks, the baby during 12 weeks of pregnancy may begin opening and closing its eyes. The baby is also making a sucking movement.

The intestines are growing rapidly and starting to move into the abdominal cavity. The kidneys are also fully developed and start to function by excreting urine into the baby’s bladder.

There is also so much development happening in the brain the neurons are multiplying rapidly and the synapses are forming at speed. There is no doubt that baby at this period looks like a human, the eyes and ears are already in the right position. The arms and legs are fully formed.

At 12 weeks, the baby is beating at a pace of 160 beats per minute (doubles the pace of the mother’s heartbeats).

This range is normal and it is a compensatory mechanism of babies since they cannot produce or increase their blood volume to adapt in their own body changes.

Moreover, the bone marrow is starting to produce WBCs while the pituitary gland begins releasing specific hormones.

What Happens to Your Body?

Maternal Changes 12 Weeks

There is a visible change in the female body, such as a baby bump and some skin darkening patches. Shutterstock Images

Your body is growing to the point that you can now feel the fundus part of the uterus. Thus, showing off your baby bump! Your waist also grows so thick that you probably need loose clothing. Furthermore, moms-to-be might notice the darkening of their skin (patches on the face and neck).


Info 12 week pregnant

All you need to know about your baby’s size and development in 12th week. ConsumerHealthDigest Images

Signs and Symptoms Management
Heartburn
  • Eat small meals.
  • Avoid bolting down food.
  • Only sip fluids during meals.
  • Do not lie down immediately after meals.
  • Keep head elevated at night.
  • Fatty foods, caffeine, citrus, and chocolate are heartburn triggers.
  • Wear loose-fitting clothes.
Acne, Dry Skin
  • Apply moisturizer for dry skin.
  • Wash face daily.
  • If necessary, do not apply makeup.
  • Do not prick pimples.
  • * Due to hormonal imbalance, skin breakouts are considered normal during pregnancy.
Fatigue
  • Take enough sleep and rest.
  • Plan activities ahead of time.
Dizziness, Fainting
  • Don’t get up too quickly.
  • Consume protein-rich foods to balance blood sugar levels.
  • Drink plenty of water.
  • Do not wear tight-fitting clothes.
  • Lie on the left side, rather than on the back.

Becoming Healthy and Fit @ 12 Weeks of Pregnancy

Fit And Healthy

Becoming a healthy pregnant mother during 12th week. Shutterstock Images

The following are the 10 commandments for pregnant mothers at 12 weeks of pregnancy.

  • Follow the prenatal care schedules.
  • Eat a well-balanced diet. Half of the plate should consist of fruits and vegetables.
  • Take prenatal supplements especially folic acid, calcium and iron tabs
  • Know food hygiene. Do not eat raw, uncooked and cold foods.
  • Get active. Perform exercise. Recommended physical activity for pregnant mothers are brisk walking, yoga class and swimming.
  • Avoid 3 things – smoking, alcohol and illegal drugs.
  • Cut back on caffeine including decaffeinated coffee.
  • Get plenty of rest and sleep.
  • Thou shall not take OTC medications and other drugs not prescribed by your doctor.
  • Drink lots of fluid. Stay hydrated.

Additional Info: When is The Best Time to Get Pregnant after Miscarriage?

“How soon until the couple can try again” – this is perhaps, the most common question asked by pregnant mothers following miscarriage. Traditional doctors might say 6 months while some would say 1 year!

But according to a 2010 study[2], there is no need to delay pregnancy after a miscarriage. At this point, mothers can conceive again and the chance of having a healthy pregnancy is still higher. Nonetheless, mothers who conceive 6 months after miscarriage are less likely to experience complications or miscarry again.

For health experts, the best time to conceive again after a miscarriage is when the mother is physically, mentally and emotionally ready.

Pregnant mothers should find out about the signs and symptoms of miscarriage, which include abdominal pain, severe cramps, back pain, and bleeding, and seek medical attention; although, some mothers experience no symptoms during a miscarriage.

The following are ways to thwart miscarriage during early pregnancy:

  • Get prenatal care.
  • Take prenatal vitamins especially folic acid, iron and calcium.
  • Follow a healthy diet.
  • Manage stress levels.
  • Exercise regularly.
  • Keep weight in normal limits.
  • Don’t smoke.
  • Know what foods to eat and not to eat.
  • Avoid excess intake of caffeine.
  • Avoid exposure to X-rays.
  • Do not perform dangerous sports and activities requiring physical contact.
  • Make sure vital signs are regularly checked and within normal limits.
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Peony C Echavez

Peony is a registered nurse and former Director of Nursing services for a large nursing facility. She has written web content for a lar

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