• Nutrition

10th Week of Pregnancy

embryo development

Baby Smarts

Baby's Growth and Development at 10 Weeks Pregnant

It’s official! After weeks of life as an embryo, by the end of the 10th week of your pregnancy, your baby becomes a foetus*. Here are some of the other changes your baby is going through during your 10th week of pregnancy:

  • By the 10th week of pregnancy, your baby measures more than 2.54cm. By the end of the 1st trimester, your baby will grow to be about 7.62cm - around the length of a kiwi fruit. This measurement doesn’t even take into account arms and legs. That’s because in the 1st trimester, your baby is measured from the top of the head to the bottom of the rump.
  • By the beginning of the 10th week of pregnancy, all of your baby’s vital organs have formed.
  • His embryonic tail, located at the bottom of his spinal cord, has disappeared.
  • His bones continue to develop. On an ultrasound, your baby’s bones appear white.
  • At 10 weeks pregnant, his ears get close to their final form.
  • His teeth buds emerge and his eyelids develop further.
  • His testes start producing the male hormone testosterone around the 10th week of pregnancy.
  • Tiny fingers and toes are fully separated (no more webbing).
  • Plus, your baby’s brain growth really takes off. Every minute, 250,000 new neurons (or first brain cells) are produced.
* According to the Mayo Clinic Guide to a Healthy Pregnancy

A lady touching her stomach

A lady touching her stomach

Like your baby, your body also is continuing to change. At 10 weeks pregnant, you might notice that:

  • You experience pressure in your lower abdomen. Most likely, you’re feeling your uterus starting to grow or sensing increased blood flow. This pressure also might cause you to urinate more often.
  • During the 10th week of pregnancy, you might notice some changes with your eyes:
    • The outer layer of your eye — the cornea — gets slightly thicker. This is due to fluid retention during pregnancy.
    • Dry eyes or puffy eyelids also might occur during pregnancy.
    • These symptoms are temporary and your eyes return to normal after you give birth.
    • Speak with your Healthcare Professional if eye changes seem intense, if you see spots, or if blurred vision occurs suddenly. Your Healthcare Professional might want to check your blood sugar or blood pressure for diabetes or high blood pressure. These symptoms might not occur at all. If they do, they are only a temporary symptom of pregnancy.

Wellness and Nutrition at 10 Weeks Pregnant

Plate of healthy food

Nutrition at 10 Weeks Pregnant: Striving for a Healthy Balance

By choosing good foods from all of the food groups, you’re nourishing your unborn baby with a broad range of different nutrients.

  • The FDA recommends the following servings of the major food groups each day1:
    • 6 to 11 servings of breads and grains
    • 3 to 4 servings of protein
    • 4 to 5 servings of dairy products
    • 5 to 10 servings of vegetables
    • 2 to 4 servings of fruit

When your baby is growing at their fastest, add about 300 calories a day to your diet. That's equivalent to a bagel, an egg with toast, a banana with milk, or slightly larger portions of your normal meals.

Exercise During Your 10th Week of Pregnancy: Finding New Ways to Move

Moderate physical activity 30 minutes a day, most days of the week, is considered safe and beneficial to pregnant women and their babies. Some exercises to consider:

  • Aerobics promotes circulation, heart and lung stimulation, muscle tone, and joint health. Examples include walking, bicycling, jogging, and swimming.
  • Light weight training supports muscle tone, strength, and endurance. Use light weights and avoid straining your body.
  • Water exercises ease stress on your body and reduce overheating. Examples include swimming and water aerobics.
  • Yoga supports relaxation, flexibility, breathing, and posture. It can build strength and increase endurance.
  • Pilates helps improve posture and build muscle strength, breathing, and flexibility.
  • Golf
  • Bowling

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